311090580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1\times {\mathrm{283}}^1$

素因数の和:526

約数の個数: 144

約数和(自身を含む): 982485504

約数和(自身を除く): 671394924

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 197, 279, 283, 310, 372, 394, 465, 558, 566, 591, 620, 788, 849, 930, 985, 1116, 1132, 1182, 1395, 1415, 1698, 1773, 1860, 1970, 2364, 2547, 2790, 2830, 2955, 3396, 3546, 3940, 4245, 5094, 5580, 5660, 5910, 6107, 7092, 8490, 8773, 8865, 10188, 11820, 12214, 12735, 16980, 17546, 17730, 18321, 24428, 25470, 26319, 30535, 35092, 35460, 36642, 43865, 50940, 52638, 54963, 55751, 61070, 73284, 78957, 87730, 91605, 105276, 109926, 111502, 122140, 131595, 157914, 167253, 175460, 183210, 219852, 223004, 263190, 274815, 278755, 315828, 334506, 366420, 394785, 501759, 526380, 549630, 557510, 669012, 789570, 836265, 1003518, 1099260, 1115020, 1579140, 1672530, 1728281, 2007036, 2508795, 3345060, 3456562, 5017590, 5184843, 6913124, 8641405, 10035180, 10369686, 15554529, 17282810, 20739372, 25924215, 31109058, 34565620, 51848430, 62218116, 77772645, 103696860, 155545290, 311090580]

約数ペア:

[(1, 311090580), (2, 155545290), (3, 103696860), (4, 77772645), (5, 62218116), (6, 51848430), (9, 34565620), (10, 31109058), (12, 25924215), (15, 20739372), (18, 17282810), (20, 15554529), (30, 10369686), (31, 10035180), (36, 8641405), (45, 6913124), (60, 5184843), (62, 5017590), (90, 3456562), (93, 3345060), (124, 2508795), (155, 2007036), (180, 1728281), (186, 1672530), (197, 1579140), (279, 1115020), (283, 1099260), (310, 1003518), (372, 836265), (394, 789570), (465, 669012), (558, 557510), (566, 549630), (591, 526380), (620, 501759), (788, 394785), (849, 366420), (930, 334506), (985, 315828), (1116, 278755), (1132, 274815), (1182, 263190), (1395, 223004), (1415, 219852), (1698, 183210), (1773, 175460), (1860, 167253), (1970, 157914), (2364, 131595), (2547, 122140), (2790, 111502), (2830, 109926), (2955, 105276), (3396, 91605), (3546, 87730), (3940, 78957), (4245, 73284), (5094, 61070), (5580, 55751), (5660, 54963), (5910, 52638), (6107, 50940), (7092, 43865), (8490, 36642), (8773, 35460), (8865, 35092), (10188, 30535), (11820, 26319), (12214, 25470), (12735, 24428), (16980, 18321), (17546, 17730)]