28416661980

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{2939}}^1\times {\mathrm{23021}}^1$

素因数の和:25979

約数の個数: 96

約数和(自身を含む): 90968209920

約数和(自身を除く): 62551547940

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 2939, 5878, 8817, 11756, 14695, 17634, 20573, 23021, 29390, 35268, 41146, 44085, 46042, 58780, 61719, 69063, 82292, 88170, 92084, 102865, 115105, 123438, 138126, 161147, 176340, 205730, 230210, 246876, 276252, 308595, 322294, 345315, 411460, 460420, 483441, 617190, 644588, 690630, 805735, 966882, 1234380, 1381260, 1611470, 1933764, 2417205, 3222940, 4834410, 9668820, 67658719, 135317438, 202976157, 270634876, 338293595, 405952314, 473611033, 676587190, 811904628, 947222066, 1014880785, 1353174380, 1420833099, 1894444132, 2029761570, 2368055165, 2841666198, 4059523140, 4736110330, 5683332396, 7104165495, 9472220660, 14208330990, 28416661980]

約数ペア:

[(1, 28416661980), (2, 14208330990), (3, 9472220660), (4, 7104165495), (5, 5683332396), (6, 4736110330), (7, 4059523140), (10, 2841666198), (12, 2368055165), (14, 2029761570), (15, 1894444132), (20, 1420833099), (21, 1353174380), (28, 1014880785), (30, 947222066), (35, 811904628), (42, 676587190), (60, 473611033), (70, 405952314), (84, 338293595), (105, 270634876), (140, 202976157), (210, 135317438), (420, 67658719), (2939, 9668820), (5878, 4834410), (8817, 3222940), (11756, 2417205), (14695, 1933764), (17634, 1611470), (20573, 1381260), (23021, 1234380), (29390, 966882), (35268, 805735), (41146, 690630), (44085, 644588), (46042, 617190), (58780, 483441), (61719, 460420), (69063, 411460), (82292, 345315), (88170, 322294), (92084, 308595), (102865, 276252), (115105, 246876), (123438, 230210), (138126, 205730), (161147, 176340)]