1640697240

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{150247}}^1$

素因数の和:150281

約数の個数: 128

約数和(自身を含む): 6057999360

約数和(自身を除く): 4417302120

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, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 150247, 300494, 450741, 600988, 751235, 901482, 1051729, 1201976, 1502470, 1802964, 1953211, 2103458, 2253705, 3004940, 3155187, 3605928, 3906422, 4206916, 4507410, 5258645, 5859633, 6009880, 6310374, 7812844, 8413832, 9014820, 9766055, 10517290, 11719266, 12620748, 13672477, 15625688, 15775935, 18029640, 19532110, 21034580, 23438532, 25241496, 27344954, 29298165, 31551870, 39064220, 41017431, 42069160, 46877064, 54689908, 58596330, 63103740, 68362385, 78128440, 82034862, 109379816, 117192660, 126207480, 136724770, 164069724, 205087155, 234385320, 273449540, 328139448, 410174310, 546899080, 820348620, 1640697240]

約数ペア:

[(1, 1640697240), (2, 820348620), (3, 546899080), (4, 410174310), (5, 328139448), (6, 273449540), (7, 234385320), (8, 205087155), (10, 164069724), (12, 136724770), (13, 126207480), (14, 117192660), (15, 109379816), (20, 82034862), (21, 78128440), (24, 68362385), (26, 63103740), (28, 58596330), (30, 54689908), (35, 46877064), (39, 42069160), (40, 41017431), (42, 39064220), (52, 31551870), (56, 29298165), (60, 27344954), (65, 25241496), (70, 23438532), (78, 21034580), (84, 19532110), (91, 18029640), (104, 15775935), (105, 15625688), (120, 13672477), (130, 12620748), (140, 11719266), (156, 10517290), (168, 9766055), (182, 9014820), (195, 8413832), (210, 7812844), (260, 6310374), (273, 6009880), (280, 5859633), (312, 5258645), (364, 4507410), (390, 4206916), (420, 3906422), (455, 3605928), (520, 3155187), (546, 3004940), (728, 2253705), (780, 2103458), (840, 1953211), (910, 1802964), (1092, 1502470), (1365, 1201976), (1560, 1051729), (1820, 901482), (2184, 751235), (2730, 600988), (3640, 450741), (5460, 300494), (10920, 150247)]