40003020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{107}}^1$

素因数の和:220

約数の個数: 144

約数和(自身を含む): 128314368

約数和(自身を除く): 88311348

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 67, 90, 93, 107, 124, 134, 155, 180, 186, 201, 214, 268, 279, 310, 321, 335, 372, 402, 428, 465, 535, 558, 603, 620, 642, 670, 804, 930, 963, 1005, 1070, 1116, 1206, 1284, 1340, 1395, 1605, 1860, 1926, 2010, 2077, 2140, 2412, 2790, 3015, 3210, 3317, 3852, 4020, 4154, 4815, 5580, 6030, 6231, 6420, 6634, 7169, 8308, 9630, 9951, 10385, 12060, 12462, 13268, 14338, 16585, 18693, 19260, 19902, 20770, 21507, 24924, 28676, 29853, 31155, 33170, 35845, 37386, 39804, 41540, 43014, 49755, 59706, 62310, 64521, 66340, 71690, 74772, 86028, 93465, 99510, 107535, 119412, 124620, 129042, 143380, 149265, 186930, 199020, 215070, 222239, 258084, 298530, 322605, 373860, 430140, 444478, 597060, 645210, 666717, 888956, 1111195, 1290420, 1333434, 2000151, 2222390, 2666868, 3333585, 4000302, 4444780, 6667170, 8000604, 10000755, 13334340, 20001510, 40003020]

約数ペア:

[(1, 40003020), (2, 20001510), (3, 13334340), (4, 10000755), (5, 8000604), (6, 6667170), (9, 4444780), (10, 4000302), (12, 3333585), (15, 2666868), (18, 2222390), (20, 2000151), (30, 1333434), (31, 1290420), (36, 1111195), (45, 888956), (60, 666717), (62, 645210), (67, 597060), (90, 444478), (93, 430140), (107, 373860), (124, 322605), (134, 298530), (155, 258084), (180, 222239), (186, 215070), (201, 199020), (214, 186930), (268, 149265), (279, 143380), (310, 129042), (321, 124620), (335, 119412), (372, 107535), (402, 99510), (428, 93465), (465, 86028), (535, 74772), (558, 71690), (603, 66340), (620, 64521), (642, 62310), (670, 59706), (804, 49755), (930, 43014), (963, 41540), (1005, 39804), (1070, 37386), (1116, 35845), (1206, 33170), (1284, 31155), (1340, 29853), (1395, 28676), (1605, 24924), (1860, 21507), (1926, 20770), (2010, 19902), (2077, 19260), (2140, 18693), (2412, 16585), (2790, 14338), (3015, 13268), (3210, 12462), (3317, 12060), (3852, 10385), (4020, 9951), (4154, 9630), (4815, 8308), (5580, 7169), (6030, 6634), (6231, 6420)]