18406440

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:78

約数の個数: 320

約数和(自身を含む): 73180800

約数和(自身を除く): 54774360

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 19, 20, 23, 24, 26, 27, 30, 36, 38, 39, 40, 45, 46, 52, 54, 57, 60, 65, 69, 72, 76, 78, 81, 90, 92, 95, 104, 108, 114, 115, 117, 120, 130, 135, 138, 152, 156, 162, 171, 180, 184, 190, 195, 207, 216, 228, 230, 234, 247, 260, 270, 276, 285, 299, 312, 324, 342, 345, 351, 360, 380, 390, 405, 414, 437, 456, 460, 468, 494, 513, 520, 540, 552, 570, 585, 598, 621, 648, 684, 690, 702, 741, 760, 780, 810, 828, 855, 874, 897, 920, 936, 988, 1026, 1035, 1053, 1080, 1140, 1170, 1196, 1235, 1242, 1311, 1368, 1380, 1404, 1482, 1495, 1539, 1560, 1620, 1656, 1710, 1748, 1755, 1794, 1863, 1976, 2052, 2070, 2106, 2185, 2223, 2280, 2340, 2392, 2470, 2484, 2565, 2622, 2691, 2760, 2808, 2964, 2990, 3078, 3105, 3240, 3420, 3496, 3510, 3588, 3705, 3726, 3933, 4104, 4140, 4212, 4370, 4446, 4485, 4680, 4940, 4968, 5130, 5244, 5265, 5382, 5681, 5928, 5980, 6156, 6210, 6555, 6669, 6840, 7020, 7176, 7410, 7452, 7695, 7866, 8073, 8280, 8424, 8740, 8892, 8970, 9315, 9880, 10260, 10488, 10530, 10764, 11115, 11362, 11799, 11960, 12312, 12420, 13110, 13338, 13455, 14040, 14820, 14904, 15390, 15732, 16146, 17043, 17480, 17784, 17940, 18630, 19665, 20007, 20520, 21060, 21528, 22230, 22724, 23598, 24219, 24840, 26220, 26676, 26910, 28405, 29640, 30780, 31464, 32292, 33345, 34086, 35397, 35880, 37260, 39330, 40014, 40365, 42120, 44460, 45448, 47196, 48438, 51129, 52440, 53352, 53820, 56810, 58995, 61560, 64584, 66690, 68172, 70794, 74520, 78660, 80028, 80730, 85215, 88920, 94392, 96876, 100035, 102258, 107640, 113620, 117990, 121095, 133380, 136344, 141588, 153387, 157320, 160056, 161460, 170430, 176985, 193752, 200070, 204516, 227240, 235980, 242190, 255645, 266760, 283176, 306774, 322920, 340860, 353970, 400140, 409032, 460161, 471960, 484380, 511290, 613548, 681720, 707940, 766935, 800280, 920322, 968760, 1022580, 1227096, 1415880, 1533870, 1840644, 2045160, 2300805, 3067740, 3681288, 4601610, 6135480, 9203220, 18406440]

約数ペア:

[(1, 18406440), (2, 9203220), (3, 6135480), (4, 4601610), (5, 3681288), (6, 3067740), (8, 2300805), (9, 2045160), (10, 1840644), (12, 1533870), (13, 1415880), (15, 1227096), (18, 1022580), (19, 968760), (20, 920322), (23, 800280), (24, 766935), (26, 707940), (27, 681720), (30, 613548), (36, 511290), (38, 484380), (39, 471960), (40, 460161), (45, 409032), (46, 400140), (52, 353970), (54, 340860), (57, 322920), (60, 306774), (65, 283176), (69, 266760), (72, 255645), (76, 242190), (78, 235980), (81, 227240), (90, 204516), (92, 200070), (95, 193752), (104, 176985), (108, 170430), (114, 161460), (115, 160056), (117, 157320), (120, 153387), (130, 141588), (135, 136344), (138, 133380), (152, 121095), (156, 117990), (162, 113620), (171, 107640), (180, 102258), (184, 100035), (190, 96876), (195, 94392), (207, 88920), (216, 85215), (228, 80730), (230, 80028), (234, 78660), (247, 74520), (260, 70794), (270, 68172), (276, 66690), (285, 64584), (299, 61560), (312, 58995), (324, 56810), (342, 53820), (345, 53352), (351, 52440), (360, 51129), (380, 48438), (390, 47196), (405, 45448), (414, 44460), (437, 42120), (456, 40365), (460, 40014), (468, 39330), (494, 37260), (513, 35880), (520, 35397), (540, 34086), (552, 33345), (570, 32292), (585, 31464), (598, 30780), (621, 29640), (648, 28405), (684, 26910), (690, 26676), (702, 26220), (741, 24840), (760, 24219), (780, 23598), (810, 22724), (828, 22230), (855, 21528), (874, 21060), (897, 20520), (920, 20007), (936, 19665), (988, 18630), (1026, 17940), (1035, 17784), (1053, 17480), (1080, 17043), (1140, 16146), (1170, 15732), (1196, 15390), (1235, 14904), (1242, 14820), (1311, 14040), (1368, 13455), (1380, 13338), (1404, 13110), (1482, 12420), (1495, 12312), (1539, 11960), (1560, 11799), (1620, 11362), (1656, 11115), (1710, 10764), (1748, 10530), (1755, 10488), (1794, 10260), (1863, 9880), (1976, 9315), (2052, 8970), (2070, 8892), (2106, 8740), (2185, 8424), (2223, 8280), (2280, 8073), (2340, 7866), (2392, 7695), (2470, 7452), (2484, 7410), (2565, 7176), (2622, 7020), (2691, 6840), (2760, 6669), (2808, 6555), (2964, 6210), (2990, 6156), (3078, 5980), (3105, 5928), (3240, 5681), (3420, 5382), (3496, 5265), (3510, 5244), (3588, 5130), (3705, 4968), (3726, 4940), (3933, 4680), (4104, 4485), (4140, 4446), (4212, 4370)]