68581138430

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{239}}^1\times {\mathrm{269}}^1\times {\mathrm{311}}^1$

素因数の和:847

約数の個数: 128

約数和(自身を含む): 145566720000

約数和(自身を除く): 76985581570

約数列:

[1, 2, 5, 7, 10, 14, 35, 49, 70, 98, 239, 245, 269, 311, 343, 478, 490, 538, 622, 686, 1195, 1345, 1555, 1673, 1715, 1883, 2177, 2390, 2690, 3110, 3346, 3430, 3766, 4354, 8365, 9415, 10885, 11711, 13181, 15239, 16730, 18830, 21770, 23422, 26362, 30478, 58555, 64291, 65905, 74329, 76195, 81977, 83659, 92267, 106673, 117110, 128582, 131810, 148658, 152390, 163954, 167318, 184534, 213346, 321455, 371645, 409885, 418295, 450037, 461335, 520303, 533365, 585613, 642910, 743290, 819770, 836590, 900074, 922670, 1040606, 1066730, 1171226, 2250185, 2601515, 2928065, 3150259, 3642121, 4099291, 4500370, 5203030, 5856130, 6300518, 7284242, 8198582, 15751295, 18210605, 19994501, 20496455, 22051813, 25494847, 28695037, 31502590, 36421210, 39989002, 40992910, 44103626, 50989694, 57390074, 99972505, 110259065, 127474235, 139961507, 143475185, 199945010, 220518130, 254948470, 279923014, 286950370, 699807535, 979730549, 1399615070, 1959461098, 4898652745, 6858113843, 9797305490, 13716227686, 34290569215, 68581138430]

約数ペア:

[(1, 68581138430), (2, 34290569215), (5, 13716227686), (7, 9797305490), (10, 6858113843), (14, 4898652745), (35, 1959461098), (49, 1399615070), (70, 979730549), (98, 699807535), (239, 286950370), (245, 279923014), (269, 254948470), (311, 220518130), (343, 199945010), (478, 143475185), (490, 139961507), (538, 127474235), (622, 110259065), (686, 99972505), (1195, 57390074), (1345, 50989694), (1555, 44103626), (1673, 40992910), (1715, 39989002), (1883, 36421210), (2177, 31502590), (2390, 28695037), (2690, 25494847), (3110, 22051813), (3346, 20496455), (3430, 19994501), (3766, 18210605), (4354, 15751295), (8365, 8198582), (9415, 7284242), (10885, 6300518), (11711, 5856130), (13181, 5203030), (15239, 4500370), (16730, 4099291), (18830, 3642121), (21770, 3150259), (23422, 2928065), (26362, 2601515), (30478, 2250185), (58555, 1171226), (64291, 1066730), (65905, 1040606), (74329, 922670), (76195, 900074), (81977, 836590), (83659, 819770), (92267, 743290), (106673, 642910), (117110, 585613), (128582, 533365), (131810, 520303), (148658, 461335), (152390, 450037), (163954, 418295), (167318, 409885), (184534, 371645), (213346, 321455)]