31170420

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{271}}^1$

素因数の和:363

約数の個数: 120

約数和(自身を含む): 99525888

約数和(自身を除く): 68355468

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 71, 81, 90, 108, 135, 142, 162, 180, 213, 270, 271, 284, 324, 355, 405, 426, 540, 542, 639, 710, 810, 813, 852, 1065, 1084, 1278, 1355, 1420, 1620, 1626, 1917, 2130, 2439, 2556, 2710, 3195, 3252, 3834, 4065, 4260, 4878, 5420, 5751, 6390, 7317, 7668, 8130, 9585, 9756, 11502, 12195, 12780, 14634, 16260, 19170, 19241, 21951, 23004, 24390, 28755, 29268, 36585, 38340, 38482, 43902, 48780, 57510, 57723, 73170, 76964, 87804, 96205, 109755, 115020, 115446, 146340, 173169, 192410, 219510, 230892, 288615, 346338, 384820, 439020, 519507, 577230, 692676, 865845, 1039014, 1154460, 1558521, 1731690, 2078028, 2597535, 3117042, 3463380, 5195070, 6234084, 7792605, 10390140, 15585210, 31170420]

約数ペア:

[(1, 31170420), (2, 15585210), (3, 10390140), (4, 7792605), (5, 6234084), (6, 5195070), (9, 3463380), (10, 3117042), (12, 2597535), (15, 2078028), (18, 1731690), (20, 1558521), (27, 1154460), (30, 1039014), (36, 865845), (45, 692676), (54, 577230), (60, 519507), (71, 439020), (81, 384820), (90, 346338), (108, 288615), (135, 230892), (142, 219510), (162, 192410), (180, 173169), (213, 146340), (270, 115446), (271, 115020), (284, 109755), (324, 96205), (355, 87804), (405, 76964), (426, 73170), (540, 57723), (542, 57510), (639, 48780), (710, 43902), (810, 38482), (813, 38340), (852, 36585), (1065, 29268), (1084, 28755), (1278, 24390), (1355, 23004), (1420, 21951), (1620, 19241), (1626, 19170), (1917, 16260), (2130, 14634), (2439, 12780), (2556, 12195), (2710, 11502), (3195, 9756), (3252, 9585), (3834, 8130), (4065, 7668), (4260, 7317), (4878, 6390), (5420, 5751)]