255020220

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15569}}^1$

素因数の和:15604

約数の個数: 144

約数和(自身を含む): 952136640

約数和(自身を除く): 697116420

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 20, 21, 26, 28, 30, 35, 36, 39, 42, 45, 52, 60, 63, 65, 70, 78, 84, 90, 91, 105, 117, 126, 130, 140, 156, 180, 182, 195, 210, 234, 252, 260, 273, 315, 364, 390, 420, 455, 468, 546, 585, 630, 780, 819, 910, 1092, 1170, 1260, 1365, 1638, 1820, 2340, 2730, 3276, 4095, 5460, 8190, 15569, 16380, 31138, 46707, 62276, 77845, 93414, 108983, 140121, 155690, 186828, 202397, 217966, 233535, 280242, 311380, 326949, 404794, 435932, 467070, 544915, 560484, 607191, 653898, 700605, 809588, 934140, 980847, 1011985, 1089830, 1214382, 1307796, 1401210, 1416779, 1634745, 1821573, 1961694, 2023970, 2179660, 2428764, 2802420, 2833558, 3035955, 3269490, 3643146, 3923388, 4047940, 4250337, 4904235, 5667116, 6071910, 6538980, 7083895, 7286292, 8500674, 9107865, 9808470, 12143820, 12751011, 14167790, 17001348, 18215730, 19616940, 21251685, 25502022, 28335580, 36431460, 42503370, 51004044, 63755055, 85006740, 127510110, 255020220]

約数ペア:

[(1, 255020220), (2, 127510110), (3, 85006740), (4, 63755055), (5, 51004044), (6, 42503370), (7, 36431460), (9, 28335580), (10, 25502022), (12, 21251685), (13, 19616940), (14, 18215730), (15, 17001348), (18, 14167790), (20, 12751011), (21, 12143820), (26, 9808470), (28, 9107865), (30, 8500674), (35, 7286292), (36, 7083895), (39, 6538980), (42, 6071910), (45, 5667116), (52, 4904235), (60, 4250337), (63, 4047940), (65, 3923388), (70, 3643146), (78, 3269490), (84, 3035955), (90, 2833558), (91, 2802420), (105, 2428764), (117, 2179660), (126, 2023970), (130, 1961694), (140, 1821573), (156, 1634745), (180, 1416779), (182, 1401210), (195, 1307796), (210, 1214382), (234, 1089830), (252, 1011985), (260, 980847), (273, 934140), (315, 809588), (364, 700605), (390, 653898), (420, 607191), (455, 560484), (468, 544915), (546, 467070), (585, 435932), (630, 404794), (780, 326949), (819, 311380), (910, 280242), (1092, 233535), (1170, 217966), (1260, 202397), (1365, 186828), (1638, 155690), (1820, 140121), (2340, 108983), (2730, 93414), (3276, 77845), (4095, 62276), (5460, 46707), (8190, 31138), (15569, 16380)]