51578730

素因数分解:

$2^1\times 3^2\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:209

約数の個数: 192

約数和(自身を含む): 167731200

約数和(自身を除く): 116152470

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 19, 21, 30, 31, 35, 38, 42, 45, 57, 62, 63, 70, 90, 93, 95, 105, 114, 126, 133, 139, 155, 171, 186, 190, 210, 217, 266, 278, 279, 285, 310, 315, 342, 399, 417, 434, 465, 558, 570, 589, 630, 651, 665, 695, 798, 834, 855, 930, 973, 1085, 1178, 1197, 1251, 1302, 1330, 1390, 1395, 1710, 1767, 1946, 1953, 1995, 2085, 2170, 2394, 2502, 2641, 2790, 2919, 2945, 3255, 3534, 3906, 3990, 4123, 4170, 4309, 4865, 5282, 5301, 5838, 5890, 5985, 6255, 6510, 7923, 8246, 8618, 8757, 8835, 9730, 9765, 10602, 11970, 12369, 12510, 12927, 13205, 14595, 15846, 17514, 17670, 18487, 19530, 20615, 21545, 23769, 24738, 25854, 26410, 26505, 29190, 30163, 36974, 37107, 38781, 39615, 41230, 43090, 43785, 47538, 53010, 55461, 60326, 61845, 64635, 74214, 77562, 79230, 81871, 87570, 90489, 92435, 110922, 118845, 123690, 129270, 150815, 163742, 166383, 180978, 184870, 185535, 193905, 237690, 245613, 271467, 277305, 301630, 332766, 371070, 387810, 409355, 452445, 491226, 542934, 554610, 573097, 736839, 818710, 831915, 904890, 1146194, 1228065, 1357335, 1473678, 1663830, 1719291, 2456130, 2714670, 2865485, 3438582, 3684195, 5157873, 5730970, 7368390, 8596455, 10315746, 17192910, 25789365, 51578730]

約数ペア:

[(1, 51578730), (2, 25789365), (3, 17192910), (5, 10315746), (6, 8596455), (7, 7368390), (9, 5730970), (10, 5157873), (14, 3684195), (15, 3438582), (18, 2865485), (19, 2714670), (21, 2456130), (30, 1719291), (31, 1663830), (35, 1473678), (38, 1357335), (42, 1228065), (45, 1146194), (57, 904890), (62, 831915), (63, 818710), (70, 736839), (90, 573097), (93, 554610), (95, 542934), (105, 491226), (114, 452445), (126, 409355), (133, 387810), (139, 371070), (155, 332766), (171, 301630), (186, 277305), (190, 271467), (210, 245613), (217, 237690), (266, 193905), (278, 185535), (279, 184870), (285, 180978), (310, 166383), (315, 163742), (342, 150815), (399, 129270), (417, 123690), (434, 118845), (465, 110922), (558, 92435), (570, 90489), (589, 87570), (630, 81871), (651, 79230), (665, 77562), (695, 74214), (798, 64635), (834, 61845), (855, 60326), (930, 55461), (973, 53010), (1085, 47538), (1178, 43785), (1197, 43090), (1251, 41230), (1302, 39615), (1330, 38781), (1390, 37107), (1395, 36974), (1710, 30163), (1767, 29190), (1946, 26505), (1953, 26410), (1995, 25854), (2085, 24738), (2170, 23769), (2394, 21545), (2502, 20615), (2641, 19530), (2790, 18487), (2919, 17670), (2945, 17514), (3255, 15846), (3534, 14595), (3906, 13205), (3990, 12927), (4123, 12510), (4170, 12369), (4309, 11970), (4865, 10602), (5282, 9765), (5301, 9730), (5838, 8835), (5890, 8757), (5985, 8618), (6255, 8246), (6510, 7923)]