81952500

素因数分解:

$2^2\times 3^1\times 5^4\times 7^2\times {\mathrm{223}}^1$

素因数の和:264

約数の個数: 180

約数和(自身を含む): 279210624

約数和(自身を除く): 197258124

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 125, 140, 147, 150, 175, 196, 210, 223, 245, 250, 294, 300, 350, 375, 420, 446, 490, 500, 525, 588, 625, 669, 700, 735, 750, 875, 892, 980, 1050, 1115, 1225, 1250, 1338, 1470, 1500, 1561, 1750, 1875, 2100, 2230, 2450, 2500, 2625, 2676, 2940, 3122, 3345, 3500, 3675, 3750, 4375, 4460, 4683, 4900, 5250, 5575, 6125, 6244, 6690, 7350, 7500, 7805, 8750, 9366, 10500, 10927, 11150, 12250, 13125, 13380, 14700, 15610, 16725, 17500, 18375, 18732, 21854, 22300, 23415, 24500, 26250, 27875, 30625, 31220, 32781, 33450, 36750, 39025, 43708, 46830, 52500, 54635, 55750, 61250, 65562, 66900, 73500, 78050, 83625, 91875, 93660, 109270, 111500, 117075, 122500, 131124, 139375, 156100, 163905, 167250, 183750, 195125, 218540, 234150, 273175, 278750, 327810, 334500, 367500, 390250, 418125, 468300, 546350, 557500, 585375, 655620, 780500, 819525, 836250, 975625, 1092700, 1170750, 1365875, 1639050, 1672500, 1951250, 2341500, 2731750, 2926875, 3278100, 3902500, 4097625, 5463500, 5853750, 6829375, 8195250, 11707500, 13658750, 16390500, 20488125, 27317500, 40976250, 81952500]

約数ペア:

[(1, 81952500), (2, 40976250), (3, 27317500), (4, 20488125), (5, 16390500), (6, 13658750), (7, 11707500), (10, 8195250), (12, 6829375), (14, 5853750), (15, 5463500), (20, 4097625), (21, 3902500), (25, 3278100), (28, 2926875), (30, 2731750), (35, 2341500), (42, 1951250), (49, 1672500), (50, 1639050), (60, 1365875), (70, 1170750), (75, 1092700), (84, 975625), (98, 836250), (100, 819525), (105, 780500), (125, 655620), (140, 585375), (147, 557500), (150, 546350), (175, 468300), (196, 418125), (210, 390250), (223, 367500), (245, 334500), (250, 327810), (294, 278750), (300, 273175), (350, 234150), (375, 218540), (420, 195125), (446, 183750), (490, 167250), (500, 163905), (525, 156100), (588, 139375), (625, 131124), (669, 122500), (700, 117075), (735, 111500), (750, 109270), (875, 93660), (892, 91875), (980, 83625), (1050, 78050), (1115, 73500), (1225, 66900), (1250, 65562), (1338, 61250), (1470, 55750), (1500, 54635), (1561, 52500), (1750, 46830), (1875, 43708), (2100, 39025), (2230, 36750), (2450, 33450), (2500, 32781), (2625, 31220), (2676, 30625), (2940, 27875), (3122, 26250), (3345, 24500), (3500, 23415), (3675, 22300), (3750, 21854), (4375, 18732), (4460, 18375), (4683, 17500), (4900, 16725), (5250, 15610), (5575, 14700), (6125, 13380), (6244, 13125), (6690, 12250), (7350, 11150), (7500, 10927), (7805, 10500), (8750, 9366)]