155775620

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1$

素因数の和:322

約数の個数: 192

約数和(自身を含む): 455196672

約数和(自身を除く): 299421052

約数列:

[1, 2, 4, 5, 7, 10, 11, 13, 14, 20, 22, 26, 28, 31, 35, 44, 52, 55, 62, 65, 70, 77, 91, 110, 124, 130, 140, 143, 154, 155, 182, 217, 220, 251, 260, 286, 308, 310, 341, 364, 385, 403, 434, 455, 502, 572, 620, 682, 715, 770, 806, 868, 910, 1001, 1004, 1085, 1255, 1364, 1430, 1540, 1612, 1705, 1757, 1820, 2002, 2015, 2170, 2387, 2510, 2761, 2821, 2860, 3263, 3410, 3514, 4004, 4030, 4340, 4433, 4774, 5005, 5020, 5522, 5642, 6526, 6820, 7028, 7781, 8060, 8785, 8866, 9548, 10010, 11044, 11284, 11935, 13052, 13805, 14105, 15562, 16315, 17570, 17732, 19327, 20020, 22165, 22841, 23870, 27610, 28210, 31031, 31124, 32630, 35140, 35893, 38654, 38905, 44330, 45682, 47740, 54467, 55220, 56420, 62062, 65260, 71786, 77308, 77810, 85591, 88660, 91364, 96635, 101153, 108934, 114205, 124124, 143572, 155155, 155620, 171182, 179465, 193270, 202306, 217868, 228410, 251251, 272335, 310310, 342364, 358930, 386540, 404612, 427955, 456820, 502502, 505765, 544670, 599137, 620620, 708071, 717860, 855910, 1005004, 1011530, 1089340, 1112683, 1198274, 1256255, 1416142, 1711820, 2023060, 2225366, 2396548, 2512510, 2832284, 2995685, 3540355, 4450732, 5025020, 5563415, 5991370, 7080710, 7788781, 11126830, 11982740, 14161420, 15577562, 22253660, 31155124, 38943905, 77887810, 155775620]

約数ペア:

[(1, 155775620), (2, 77887810), (4, 38943905), (5, 31155124), (7, 22253660), (10, 15577562), (11, 14161420), (13, 11982740), (14, 11126830), (20, 7788781), (22, 7080710), (26, 5991370), (28, 5563415), (31, 5025020), (35, 4450732), (44, 3540355), (52, 2995685), (55, 2832284), (62, 2512510), (65, 2396548), (70, 2225366), (77, 2023060), (91, 1711820), (110, 1416142), (124, 1256255), (130, 1198274), (140, 1112683), (143, 1089340), (154, 1011530), (155, 1005004), (182, 855910), (217, 717860), (220, 708071), (251, 620620), (260, 599137), (286, 544670), (308, 505765), (310, 502502), (341, 456820), (364, 427955), (385, 404612), (403, 386540), (434, 358930), (455, 342364), (502, 310310), (572, 272335), (620, 251251), (682, 228410), (715, 217868), (770, 202306), (806, 193270), (868, 179465), (910, 171182), (1001, 155620), (1004, 155155), (1085, 143572), (1255, 124124), (1364, 114205), (1430, 108934), (1540, 101153), (1612, 96635), (1705, 91364), (1757, 88660), (1820, 85591), (2002, 77810), (2015, 77308), (2170, 71786), (2387, 65260), (2510, 62062), (2761, 56420), (2821, 55220), (2860, 54467), (3263, 47740), (3410, 45682), (3514, 44330), (4004, 38905), (4030, 38654), (4340, 35893), (4433, 35140), (4774, 32630), (5005, 31124), (5020, 31031), (5522, 28210), (5642, 27610), (6526, 23870), (6820, 22841), (7028, 22165), (7781, 20020), (8060, 19327), (8785, 17732), (8866, 17570), (9548, 16315), (10010, 15562), (11044, 14105), (11284, 13805), (11935, 13052)]