20515690500

素因数分解:

$2^2\times 3^1\times 5^3\times {\mathrm{53}}^1\times {\mathrm{151}}^1\times {\mathrm{1709}}^1$

素因数の和:1935

約数の個数: 192

約数和(自身を含む): 61307850240

約数和(自身を除く): 40792159740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 25, 30, 50, 53, 60, 75, 100, 106, 125, 150, 151, 159, 212, 250, 265, 300, 302, 318, 375, 453, 500, 530, 604, 636, 750, 755, 795, 906, 1060, 1325, 1500, 1510, 1590, 1709, 1812, 2265, 2650, 3020, 3180, 3418, 3775, 3975, 4530, 5127, 5300, 6625, 6836, 7550, 7950, 8003, 8545, 9060, 10254, 11325, 13250, 15100, 15900, 16006, 17090, 18875, 19875, 20508, 22650, 24009, 25635, 26500, 32012, 34180, 37750, 39750, 40015, 42725, 45300, 48018, 51270, 56625, 75500, 79500, 80030, 85450, 90577, 96036, 102540, 113250, 120045, 128175, 160060, 170900, 181154, 200075, 213625, 226500, 240090, 256350, 258059, 271731, 362308, 400150, 427250, 452885, 480180, 512700, 516118, 543462, 600225, 640875, 774177, 800300, 854500, 905770, 1000375, 1032236, 1086924, 1200450, 1281750, 1290295, 1358655, 1548354, 1811540, 2000750, 2264425, 2400900, 2563500, 2580590, 2717310, 3001125, 3096708, 3870885, 4001500, 4528850, 5161180, 5434620, 6002250, 6451475, 6793275, 7741770, 9057700, 11322125, 12004500, 12902950, 13586550, 13677127, 15483540, 19354425, 22644250, 25805900, 27173100, 27354254, 32257375, 33966375, 38708850, 41031381, 45288500, 54708508, 64514750, 67932750, 68385635, 77417700, 82062762, 96772125, 129029500, 135865500, 136771270, 164125524, 193544250, 205156905, 273542540, 341928175, 387088500, 410313810, 683856350, 820627620, 1025784525, 1367712700, 1709640875, 2051569050, 3419281750, 4103138100, 5128922625, 6838563500, 10257845250, 20515690500]

約数ペア:

[(1, 20515690500), (2, 10257845250), (3, 6838563500), (4, 5128922625), (5, 4103138100), (6, 3419281750), (10, 2051569050), (12, 1709640875), (15, 1367712700), (20, 1025784525), (25, 820627620), (30, 683856350), (50, 410313810), (53, 387088500), (60, 341928175), (75, 273542540), (100, 205156905), (106, 193544250), (125, 164125524), (150, 136771270), (151, 135865500), (159, 129029500), (212, 96772125), (250, 82062762), (265, 77417700), (300, 68385635), (302, 67932750), (318, 64514750), (375, 54708508), (453, 45288500), (500, 41031381), (530, 38708850), (604, 33966375), (636, 32257375), (750, 27354254), (755, 27173100), (795, 25805900), (906, 22644250), (1060, 19354425), (1325, 15483540), (1500, 13677127), (1510, 13586550), (1590, 12902950), (1709, 12004500), (1812, 11322125), (2265, 9057700), (2650, 7741770), (3020, 6793275), (3180, 6451475), (3418, 6002250), (3775, 5434620), (3975, 5161180), (4530, 4528850), (5127, 4001500), (5300, 3870885), (6625, 3096708), (6836, 3001125), (7550, 2717310), (7950, 2580590), (8003, 2563500), (8545, 2400900), (9060, 2264425), (10254, 2000750), (11325, 1811540), (13250, 1548354), (15100, 1358655), (15900, 1290295), (16006, 1281750), (17090, 1200450), (18875, 1086924), (19875, 1032236), (20508, 1000375), (22650, 905770), (24009, 854500), (25635, 800300), (26500, 774177), (32012, 640875), (34180, 600225), (37750, 543462), (39750, 516118), (40015, 512700), (42725, 480180), (45300, 452885), (48018, 427250), (51270, 400150), (56625, 362308), (75500, 271731), (79500, 258059), (80030, 256350), (85450, 240090), (90577, 226500), (96036, 213625), (102540, 200075), (113250, 181154), (120045, 170900), (128175, 160060)]