805121520

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{479239}}^1$

素因数の和:479262

約数の個数: 80

約数和(自身を含む): 2852436480

約数和(自身を除く): 2047314960

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680, 479239, 958478, 1437717, 1916956, 2396195, 2875434, 3354673, 3833912, 4792390, 5750868, 6709346, 7188585, 7667824, 9584780, 10064019, 11501736, 13418692, 14377170, 16773365, 19169560, 20128038, 23003472, 26837384, 28754340, 33546730, 38339120, 40256076, 50320095, 53674768, 57508680, 67093460, 80512152, 100640190, 115017360, 134186920, 161024304, 201280380, 268373840, 402560760, 805121520]

約数ペア:

[(1, 805121520), (2, 402560760), (3, 268373840), (4, 201280380), (5, 161024304), (6, 134186920), (7, 115017360), (8, 100640190), (10, 80512152), (12, 67093460), (14, 57508680), (15, 53674768), (16, 50320095), (20, 40256076), (21, 38339120), (24, 33546730), (28, 28754340), (30, 26837384), (35, 23003472), (40, 20128038), (42, 19169560), (48, 16773365), (56, 14377170), (60, 13418692), (70, 11501736), (80, 10064019), (84, 9584780), (105, 7667824), (112, 7188585), (120, 6709346), (140, 5750868), (168, 4792390), (210, 3833912), (240, 3354673), (280, 2875434), (336, 2396195), (420, 1916956), (560, 1437717), (840, 958478), (1680, 479239)]