15420990780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{349}}^1\times {\mathrm{821}}^1$

素因数の和:1221

約数の個数: 288

約数和(自身を含む): 52780291200

約数和(自身を除く): 37359300420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 90, 92, 115, 117, 130, 138, 156, 180, 195, 207, 230, 234, 260, 276, 299, 345, 349, 390, 414, 460, 468, 585, 598, 690, 698, 780, 821, 828, 897, 1035, 1047, 1170, 1196, 1380, 1396, 1495, 1642, 1745, 1794, 2070, 2094, 2340, 2463, 2691, 2990, 3141, 3284, 3490, 3588, 4105, 4140, 4188, 4485, 4537, 4926, 5235, 5382, 5980, 6282, 6980, 7389, 8027, 8210, 8970, 9074, 9852, 10470, 10673, 10764, 12315, 12564, 13455, 13611, 14778, 15705, 16054, 16420, 17940, 18148, 18883, 20940, 21346, 22685, 24081, 24630, 26910, 27222, 29556, 31410, 32019, 32108, 36945, 37766, 40135, 40833, 42692, 45370, 48162, 49260, 53365, 53820, 54444, 56649, 62820, 64038, 68055, 72243, 73890, 75532, 80270, 81666, 90740, 94415, 96057, 96324, 104351, 106730, 113298, 120405, 128076, 136110, 144486, 147780, 160095, 160540, 163332, 169947, 188830, 192114, 204165, 208702, 213460, 226596, 240810, 245479, 272220, 283245, 286529, 288972, 313053, 320190, 339894, 361215, 377660, 384228, 408330, 417404, 480285, 481620, 490958, 521755, 566490, 573058, 626106, 640380, 679788, 722430, 736437, 816660, 849735, 859587, 939159, 960570, 981916, 1043510, 1132980, 1146116, 1227395, 1252212, 1432645, 1444860, 1472874, 1565265, 1699470, 1719174, 1878318, 1921140, 2087020, 2209311, 2454790, 2578761, 2865290, 2945748, 3130530, 3398940, 3438348, 3682185, 3724877, 3756636, 4297935, 4418622, 4695795, 4909580, 5157522, 5730580, 6261060, 6590167, 7364370, 7449754, 8595870, 8837244, 9391590, 10315044, 11046555, 11174631, 12893805, 13180334, 14728740, 14899508, 17191740, 18624385, 18783180, 19770501, 22093110, 22349262, 25787610, 26360668, 32950835, 33523893, 37248770, 39541002, 44186220, 44698524, 51575220, 55873155, 59311503, 65901670, 67047786, 74497540, 79082004, 85672171, 98852505, 111746310, 118623006, 131803340, 134095572, 167619465, 171344342, 197705010, 223492620, 237246012, 257016513, 296557515, 335238930, 342688684, 395410020, 428360855, 514033026, 593115030, 670477860, 771049539, 856721710, 1028066052, 1186230060, 1285082565, 1542099078, 1713443420, 2570165130, 3084198156, 3855247695, 5140330260, 7710495390, 15420990780]

約数ペア:

[(1, 15420990780), (2, 7710495390), (3, 5140330260), (4, 3855247695), (5, 3084198156), (6, 2570165130), (9, 1713443420), (10, 1542099078), (12, 1285082565), (13, 1186230060), (15, 1028066052), (18, 856721710), (20, 771049539), (23, 670477860), (26, 593115030), (30, 514033026), (36, 428360855), (39, 395410020), (45, 342688684), (46, 335238930), (52, 296557515), (60, 257016513), (65, 237246012), (69, 223492620), (78, 197705010), (90, 171344342), (92, 167619465), (115, 134095572), (117, 131803340), (130, 118623006), (138, 111746310), (156, 98852505), (180, 85672171), (195, 79082004), (207, 74497540), (230, 67047786), (234, 65901670), (260, 59311503), (276, 55873155), (299, 51575220), (345, 44698524), (349, 44186220), (390, 39541002), (414, 37248770), (460, 33523893), (468, 32950835), (585, 26360668), (598, 25787610), (690, 22349262), (698, 22093110), (780, 19770501), (821, 18783180), (828, 18624385), (897, 17191740), (1035, 14899508), (1047, 14728740), (1170, 13180334), (1196, 12893805), (1380, 11174631), (1396, 11046555), (1495, 10315044), (1642, 9391590), (1745, 8837244), (1794, 8595870), (2070, 7449754), (2094, 7364370), (2340, 6590167), (2463, 6261060), (2691, 5730580), (2990, 5157522), (3141, 4909580), (3284, 4695795), (3490, 4418622), (3588, 4297935), (4105, 3756636), (4140, 3724877), (4188, 3682185), (4485, 3438348), (4537, 3398940), (4926, 3130530), (5235, 2945748), (5382, 2865290), (5980, 2578761), (6282, 2454790), (6980, 2209311), (7389, 2087020), (8027, 1921140), (8210, 1878318), (8970, 1719174), (9074, 1699470), (9852, 1565265), (10470, 1472874), (10673, 1444860), (10764, 1432645), (12315, 1252212), (12564, 1227395), (13455, 1146116), (13611, 1132980), (14778, 1043510), (15705, 981916), (16054, 960570), (16420, 939159), (17940, 859587), (18148, 849735), (18883, 816660), (20940, 736437), (21346, 722430), (22685, 679788), (24081, 640380), (24630, 626106), (26910, 573058), (27222, 566490), (29556, 521755), (31410, 490958), (32019, 481620), (32108, 480285), (36945, 417404), (37766, 408330), (40135, 384228), (40833, 377660), (42692, 361215), (45370, 339894), (48162, 320190), (49260, 313053), (53365, 288972), (53820, 286529), (54444, 283245), (56649, 272220), (62820, 245479), (64038, 240810), (68055, 226596), (72243, 213460), (73890, 208702), (75532, 204165), (80270, 192114), (81666, 188830), (90740, 169947), (94415, 163332), (96057, 160540), (96324, 160095), (104351, 147780), (106730, 144486), (113298, 136110), (120405, 128076)]