128129820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{757}}^1$

素因数の和:820

約数の個数: 192

約数和(自身を含む): 456400896

約数和(自身を除く): 328271076

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 31, 35, 39, 42, 52, 60, 62, 65, 70, 78, 84, 91, 93, 105, 124, 130, 140, 155, 156, 182, 186, 195, 210, 217, 260, 273, 310, 364, 372, 390, 403, 420, 434, 455, 465, 546, 620, 651, 757, 780, 806, 868, 910, 930, 1085, 1092, 1209, 1302, 1365, 1514, 1612, 1820, 1860, 2015, 2170, 2271, 2418, 2604, 2730, 2821, 3028, 3255, 3785, 4030, 4340, 4542, 4836, 5299, 5460, 5642, 6045, 6510, 7570, 8060, 8463, 9084, 9841, 10598, 11284, 11355, 12090, 13020, 14105, 15140, 15897, 16926, 19682, 21196, 22710, 23467, 24180, 26495, 28210, 29523, 31794, 33852, 39364, 42315, 45420, 46934, 49205, 52990, 56420, 59046, 63588, 68887, 70401, 79485, 84630, 93868, 98410, 105980, 117335, 118092, 137774, 140802, 147615, 158970, 164269, 169260, 196820, 206661, 234670, 275548, 281604, 295230, 305071, 317940, 328538, 344435, 352005, 413322, 469340, 492807, 590460, 610142, 657076, 688870, 704010, 821345, 826644, 915213, 985614, 1033305, 1220284, 1377740, 1408020, 1525355, 1642690, 1830426, 1971228, 2066610, 2135497, 2464035, 3050710, 3285380, 3660852, 4133220, 4270994, 4576065, 4928070, 6101420, 6406491, 8541988, 9152130, 9856140, 10677485, 12812982, 18304260, 21354970, 25625964, 32032455, 42709940, 64064910, 128129820]

約数ペア:

[(1, 128129820), (2, 64064910), (3, 42709940), (4, 32032455), (5, 25625964), (6, 21354970), (7, 18304260), (10, 12812982), (12, 10677485), (13, 9856140), (14, 9152130), (15, 8541988), (20, 6406491), (21, 6101420), (26, 4928070), (28, 4576065), (30, 4270994), (31, 4133220), (35, 3660852), (39, 3285380), (42, 3050710), (52, 2464035), (60, 2135497), (62, 2066610), (65, 1971228), (70, 1830426), (78, 1642690), (84, 1525355), (91, 1408020), (93, 1377740), (105, 1220284), (124, 1033305), (130, 985614), (140, 915213), (155, 826644), (156, 821345), (182, 704010), (186, 688870), (195, 657076), (210, 610142), (217, 590460), (260, 492807), (273, 469340), (310, 413322), (364, 352005), (372, 344435), (390, 328538), (403, 317940), (420, 305071), (434, 295230), (455, 281604), (465, 275548), (546, 234670), (620, 206661), (651, 196820), (757, 169260), (780, 164269), (806, 158970), (868, 147615), (910, 140802), (930, 137774), (1085, 118092), (1092, 117335), (1209, 105980), (1302, 98410), (1365, 93868), (1514, 84630), (1612, 79485), (1820, 70401), (1860, 68887), (2015, 63588), (2170, 59046), (2271, 56420), (2418, 52990), (2604, 49205), (2730, 46934), (2821, 45420), (3028, 42315), (3255, 39364), (3785, 33852), (4030, 31794), (4340, 29523), (4542, 28210), (4836, 26495), (5299, 24180), (5460, 23467), (5642, 22710), (6045, 21196), (6510, 19682), (7570, 16926), (8060, 15897), (8463, 15140), (9084, 14105), (9841, 13020), (10598, 12090), (11284, 11355)]