155205680

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{503}}^1$

素因数の和:571

約数の個数: 160

約数和(自身を含む): 449971200

約数和(自身を除く): 294765520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 19, 20, 28, 29, 35, 38, 40, 56, 58, 70, 76, 80, 95, 112, 116, 133, 140, 145, 152, 190, 203, 232, 266, 280, 290, 304, 380, 406, 464, 503, 532, 551, 560, 580, 665, 760, 812, 1006, 1015, 1064, 1102, 1160, 1330, 1520, 1624, 2012, 2030, 2128, 2204, 2320, 2515, 2660, 2755, 3248, 3521, 3857, 4024, 4060, 4408, 5030, 5320, 5510, 7042, 7714, 8048, 8120, 8816, 9557, 10060, 10640, 11020, 14084, 14587, 15428, 16240, 17605, 19114, 19285, 20120, 22040, 28168, 29174, 30856, 35210, 38228, 38570, 40240, 44080, 47785, 56336, 58348, 61712, 66899, 70420, 72935, 76456, 77140, 95570, 102109, 116696, 133798, 140840, 145870, 152912, 154280, 191140, 204218, 233392, 267596, 277153, 281680, 291740, 308560, 334495, 382280, 408436, 510545, 535192, 554306, 583480, 668990, 764560, 816872, 1021090, 1070384, 1108612, 1166960, 1337980, 1385765, 1633744, 1940071, 2042180, 2217224, 2675960, 2771530, 3880142, 4084360, 4434448, 5351920, 5543060, 7760284, 8168720, 9700355, 11086120, 15520568, 19400710, 22172240, 31041136, 38801420, 77602840, 155205680]

約数ペア:

[(1, 155205680), (2, 77602840), (4, 38801420), (5, 31041136), (7, 22172240), (8, 19400710), (10, 15520568), (14, 11086120), (16, 9700355), (19, 8168720), (20, 7760284), (28, 5543060), (29, 5351920), (35, 4434448), (38, 4084360), (40, 3880142), (56, 2771530), (58, 2675960), (70, 2217224), (76, 2042180), (80, 1940071), (95, 1633744), (112, 1385765), (116, 1337980), (133, 1166960), (140, 1108612), (145, 1070384), (152, 1021090), (190, 816872), (203, 764560), (232, 668990), (266, 583480), (280, 554306), (290, 535192), (304, 510545), (380, 408436), (406, 382280), (464, 334495), (503, 308560), (532, 291740), (551, 281680), (560, 277153), (580, 267596), (665, 233392), (760, 204218), (812, 191140), (1006, 154280), (1015, 152912), (1064, 145870), (1102, 140840), (1160, 133798), (1330, 116696), (1520, 102109), (1624, 95570), (2012, 77140), (2030, 76456), (2128, 72935), (2204, 70420), (2320, 66899), (2515, 61712), (2660, 58348), (2755, 56336), (3248, 47785), (3521, 44080), (3857, 40240), (4024, 38570), (4060, 38228), (4408, 35210), (5030, 30856), (5320, 29174), (5510, 28168), (7042, 22040), (7714, 20120), (8048, 19285), (8120, 19114), (8816, 17605), (9557, 16240), (10060, 15428), (10640, 14587), (11020, 14084)]