20120369880

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{120539}}^1$

素因数の和:120673

約数の個数: 128

約数和(自身を含む): 65612332800

約数和(自身を除く): 45491962920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 107, 120, 130, 156, 195, 214, 260, 312, 321, 390, 428, 520, 535, 642, 780, 856, 1070, 1284, 1391, 1560, 1605, 2140, 2568, 2782, 3210, 4173, 4280, 5564, 6420, 6955, 8346, 11128, 12840, 13910, 16692, 20865, 27820, 33384, 41730, 55640, 83460, 120539, 166920, 241078, 361617, 482156, 602695, 723234, 964312, 1205390, 1446468, 1567007, 1808085, 2410780, 2892936, 3134014, 3616170, 4701021, 4821560, 6268028, 7232340, 7835035, 9402042, 12536056, 12897673, 14464680, 15670070, 18804084, 23505105, 25795346, 31340140, 37608168, 38693019, 47010210, 51590692, 62680280, 64488365, 77386038, 94020420, 103181384, 128976730, 154772076, 167669749, 188040840, 193465095, 257953460, 309544152, 335339498, 386930190, 503009247, 515906920, 670678996, 773860380, 838348745, 1006018494, 1341357992, 1547720760, 1676697490, 2012036988, 2515046235, 3353394980, 4024073976, 5030092470, 6706789960, 10060184940, 20120369880]

約数ペア:

[(1, 20120369880), (2, 10060184940), (3, 6706789960), (4, 5030092470), (5, 4024073976), (6, 3353394980), (8, 2515046235), (10, 2012036988), (12, 1676697490), (13, 1547720760), (15, 1341357992), (20, 1006018494), (24, 838348745), (26, 773860380), (30, 670678996), (39, 515906920), (40, 503009247), (52, 386930190), (60, 335339498), (65, 309544152), (78, 257953460), (104, 193465095), (107, 188040840), (120, 167669749), (130, 154772076), (156, 128976730), (195, 103181384), (214, 94020420), (260, 77386038), (312, 64488365), (321, 62680280), (390, 51590692), (428, 47010210), (520, 38693019), (535, 37608168), (642, 31340140), (780, 25795346), (856, 23505105), (1070, 18804084), (1284, 15670070), (1391, 14464680), (1560, 12897673), (1605, 12536056), (2140, 9402042), (2568, 7835035), (2782, 7232340), (3210, 6268028), (4173, 4821560), (4280, 4701021), (5564, 3616170), (6420, 3134014), (6955, 2892936), (8346, 2410780), (11128, 1808085), (12840, 1567007), (13910, 1446468), (16692, 1205390), (20865, 964312), (27820, 723234), (33384, 602695), (41730, 482156), (55640, 361617), (83460, 241078), (120539, 166920)]