639267720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8363}}^1$

素因数の和:8404

約数の個数: 192

約数和(自身を含む): 2402809920

約数和(自身を除く): 1763542200

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 49, 52, 56, 60, 65, 70, 78, 84, 91, 98, 104, 105, 120, 130, 140, 147, 156, 168, 182, 195, 196, 210, 245, 260, 273, 280, 294, 312, 364, 390, 392, 420, 455, 490, 520, 546, 588, 637, 728, 735, 780, 840, 910, 980, 1092, 1176, 1274, 1365, 1470, 1560, 1820, 1911, 1960, 2184, 2548, 2730, 2940, 3185, 3640, 3822, 5096, 5460, 5880, 6370, 7644, 8363, 9555, 10920, 12740, 15288, 16726, 19110, 25089, 25480, 33452, 38220, 41815, 50178, 58541, 66904, 76440, 83630, 100356, 108719, 117082, 125445, 167260, 175623, 200712, 217438, 234164, 250890, 292705, 326157, 334520, 351246, 409787, 434876, 468328, 501780, 543595, 585410, 652314, 702492, 761033, 819574, 869752, 878115, 1003560, 1087190, 1170820, 1229361, 1304628, 1404984, 1522066, 1630785, 1639148, 1756230, 2048935, 2174380, 2283099, 2341640, 2458722, 2609256, 3044132, 3261570, 3278296, 3512460, 3805165, 4097870, 4348760, 4566198, 4917444, 5327231, 6088264, 6146805, 6523140, 7024920, 7610330, 8195740, 9132396, 9834888, 10654462, 11415495, 12293610, 13046280, 15220660, 15981693, 16391480, 18264792, 21308924, 22830990, 24587220, 26636155, 30441320, 31963386, 42617848, 45661980, 49174440, 53272310, 63926772, 79908465, 91323960, 106544620, 127853544, 159816930, 213089240, 319633860, 639267720]

約数ペア:

[(1, 639267720), (2, 319633860), (3, 213089240), (4, 159816930), (5, 127853544), (6, 106544620), (7, 91323960), (8, 79908465), (10, 63926772), (12, 53272310), (13, 49174440), (14, 45661980), (15, 42617848), (20, 31963386), (21, 30441320), (24, 26636155), (26, 24587220), (28, 22830990), (30, 21308924), (35, 18264792), (39, 16391480), (40, 15981693), (42, 15220660), (49, 13046280), (52, 12293610), (56, 11415495), (60, 10654462), (65, 9834888), (70, 9132396), (78, 8195740), (84, 7610330), (91, 7024920), (98, 6523140), (104, 6146805), (105, 6088264), (120, 5327231), (130, 4917444), (140, 4566198), (147, 4348760), (156, 4097870), (168, 3805165), (182, 3512460), (195, 3278296), (196, 3261570), (210, 3044132), (245, 2609256), (260, 2458722), (273, 2341640), (280, 2283099), (294, 2174380), (312, 2048935), (364, 1756230), (390, 1639148), (392, 1630785), (420, 1522066), (455, 1404984), (490, 1304628), (520, 1229361), (546, 1170820), (588, 1087190), (637, 1003560), (728, 878115), (735, 869752), (780, 819574), (840, 761033), (910, 702492), (980, 652314), (1092, 585410), (1176, 543595), (1274, 501780), (1365, 468328), (1470, 434876), (1560, 409787), (1820, 351246), (1911, 334520), (1960, 326157), (2184, 292705), (2548, 250890), (2730, 234164), (2940, 217438), (3185, 200712), (3640, 175623), (3822, 167260), (5096, 125445), (5460, 117082), (5880, 108719), (6370, 100356), (7644, 83630), (8363, 76440), (9555, 66904), (10920, 58541), (12740, 50178), (15288, 41815), (16726, 38220), (19110, 33452), (25089, 25480)]