155657320

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{149}}^1$

素因数の和:228

約数の個数: 192

約数和(自身を含む): 452466000

約数和(自身を除く): 296808680

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 41, 49, 52, 56, 65, 70, 82, 91, 98, 104, 130, 140, 149, 164, 182, 196, 205, 245, 260, 280, 287, 298, 328, 364, 392, 410, 455, 490, 520, 533, 574, 596, 637, 728, 745, 820, 910, 980, 1043, 1066, 1148, 1192, 1274, 1435, 1490, 1640, 1820, 1937, 1960, 2009, 2086, 2132, 2296, 2548, 2665, 2870, 2980, 3185, 3640, 3731, 3874, 4018, 4172, 4264, 5096, 5215, 5330, 5740, 5960, 6109, 6370, 7301, 7462, 7748, 8036, 8344, 9685, 10045, 10430, 10660, 11480, 12218, 12740, 13559, 14602, 14924, 15496, 16072, 18655, 19370, 20090, 20860, 21320, 24436, 25480, 26117, 27118, 29204, 29848, 30545, 36505, 37310, 38740, 40180, 41720, 42763, 48872, 52234, 54236, 58408, 61090, 67795, 73010, 74620, 77480, 79417, 80360, 85526, 94913, 104468, 108472, 122180, 130585, 135590, 146020, 149240, 158834, 171052, 189826, 208936, 213815, 244360, 261170, 271180, 292040, 299341, 317668, 342104, 379652, 397085, 427630, 474565, 522340, 542360, 555919, 598682, 635336, 759304, 794170, 855260, 949130, 1044680, 1111838, 1197364, 1496705, 1588340, 1710520, 1898260, 2223676, 2394728, 2779595, 2993410, 3176680, 3796520, 3891433, 4447352, 5559190, 5986820, 7782866, 11118380, 11973640, 15565732, 19457165, 22236760, 31131464, 38914330, 77828660, 155657320]

約数ペア:

[(1, 155657320), (2, 77828660), (4, 38914330), (5, 31131464), (7, 22236760), (8, 19457165), (10, 15565732), (13, 11973640), (14, 11118380), (20, 7782866), (26, 5986820), (28, 5559190), (35, 4447352), (40, 3891433), (41, 3796520), (49, 3176680), (52, 2993410), (56, 2779595), (65, 2394728), (70, 2223676), (82, 1898260), (91, 1710520), (98, 1588340), (104, 1496705), (130, 1197364), (140, 1111838), (149, 1044680), (164, 949130), (182, 855260), (196, 794170), (205, 759304), (245, 635336), (260, 598682), (280, 555919), (287, 542360), (298, 522340), (328, 474565), (364, 427630), (392, 397085), (410, 379652), (455, 342104), (490, 317668), (520, 299341), (533, 292040), (574, 271180), (596, 261170), (637, 244360), (728, 213815), (745, 208936), (820, 189826), (910, 171052), (980, 158834), (1043, 149240), (1066, 146020), (1148, 135590), (1192, 130585), (1274, 122180), (1435, 108472), (1490, 104468), (1640, 94913), (1820, 85526), (1937, 80360), (1960, 79417), (2009, 77480), (2086, 74620), (2132, 73010), (2296, 67795), (2548, 61090), (2665, 58408), (2870, 54236), (2980, 52234), (3185, 48872), (3640, 42763), (3731, 41720), (3874, 40180), (4018, 38740), (4172, 37310), (4264, 36505), (5096, 30545), (5215, 29848), (5330, 29204), (5740, 27118), (5960, 26117), (6109, 25480), (6370, 24436), (7301, 21320), (7462, 20860), (7748, 20090), (8036, 19370), (8344, 18655), (9685, 16072), (10045, 15496), (10430, 14924), (10660, 14602), (11480, 13559), (12218, 12740)]