164556990

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{349}}^1$

素因数の和:419

約数の個数: 144

約数和(自身を含む): 479606400

約数和(自身を除く): 315049410

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 26, 30, 31, 39, 45, 62, 65, 78, 90, 93, 117, 130, 155, 169, 186, 195, 234, 279, 310, 338, 349, 390, 403, 465, 507, 558, 585, 698, 806, 845, 930, 1014, 1047, 1170, 1209, 1395, 1521, 1690, 1745, 2015, 2094, 2418, 2535, 2790, 3042, 3141, 3490, 3627, 4030, 4537, 5070, 5235, 5239, 6045, 6282, 7254, 7605, 9074, 10470, 10478, 10819, 12090, 13611, 15210, 15705, 15717, 18135, 21638, 22685, 26195, 27222, 31410, 31434, 32457, 36270, 40833, 45370, 47151, 52390, 54095, 58981, 64914, 68055, 78585, 81666, 94302, 97371, 108190, 117962, 136110, 140647, 157170, 162285, 176943, 194742, 204165, 235755, 281294, 294905, 324570, 353886, 408330, 421941, 471510, 486855, 530829, 589810, 703235, 843882, 884715, 973710, 1061658, 1265823, 1406470, 1769430, 1828411, 2109705, 2531646, 2654145, 3656822, 4219410, 5308290, 5485233, 6329115, 9142055, 10970466, 12658230, 16455699, 18284110, 27426165, 32911398, 54852330, 82278495, 164556990]

約数ペア:

[(1, 164556990), (2, 82278495), (3, 54852330), (5, 32911398), (6, 27426165), (9, 18284110), (10, 16455699), (13, 12658230), (15, 10970466), (18, 9142055), (26, 6329115), (30, 5485233), (31, 5308290), (39, 4219410), (45, 3656822), (62, 2654145), (65, 2531646), (78, 2109705), (90, 1828411), (93, 1769430), (117, 1406470), (130, 1265823), (155, 1061658), (169, 973710), (186, 884715), (195, 843882), (234, 703235), (279, 589810), (310, 530829), (338, 486855), (349, 471510), (390, 421941), (403, 408330), (465, 353886), (507, 324570), (558, 294905), (585, 281294), (698, 235755), (806, 204165), (845, 194742), (930, 176943), (1014, 162285), (1047, 157170), (1170, 140647), (1209, 136110), (1395, 117962), (1521, 108190), (1690, 97371), (1745, 94302), (2015, 81666), (2094, 78585), (2418, 68055), (2535, 64914), (2790, 58981), (3042, 54095), (3141, 52390), (3490, 47151), (3627, 45370), (4030, 40833), (4537, 36270), (5070, 32457), (5235, 31434), (5239, 31410), (6045, 27222), (6282, 26195), (7254, 22685), (7605, 21638), (9074, 18135), (10470, 15717), (10478, 15705), (10819, 15210), (12090, 13611)]