644160780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1723}}^1$

素因数の和:1836

約数の個数: 144

約数和(自身を含む): 2048277504

約数和(自身を除く): 1404116724

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 67, 90, 93, 124, 134, 155, 180, 186, 201, 268, 279, 310, 335, 372, 402, 465, 558, 603, 620, 670, 804, 930, 1005, 1116, 1206, 1340, 1395, 1723, 1860, 2010, 2077, 2412, 2790, 3015, 3446, 4020, 4154, 5169, 5580, 6030, 6231, 6892, 8308, 8615, 10338, 10385, 12060, 12462, 15507, 17230, 18693, 20676, 20770, 24924, 25845, 31014, 31155, 34460, 37386, 41540, 51690, 53413, 62028, 62310, 74772, 77535, 93465, 103380, 106826, 115441, 124620, 155070, 160239, 186930, 213652, 230882, 267065, 310140, 320478, 346323, 373860, 461764, 480717, 534130, 577205, 640956, 692646, 801195, 961434, 1038969, 1068260, 1154410, 1385292, 1602390, 1731615, 1922868, 2077938, 2308820, 2403585, 3204780, 3463230, 3578671, 4155876, 4807170, 5194845, 6926460, 7157342, 9614340, 10389690, 10736013, 14314684, 17893355, 20779380, 21472026, 32208039, 35786710, 42944052, 53680065, 64416078, 71573420, 107360130, 128832156, 161040195, 214720260, 322080390, 644160780]

約数ペア:

[(1, 644160780), (2, 322080390), (3, 214720260), (4, 161040195), (5, 128832156), (6, 107360130), (9, 71573420), (10, 64416078), (12, 53680065), (15, 42944052), (18, 35786710), (20, 32208039), (30, 21472026), (31, 20779380), (36, 17893355), (45, 14314684), (60, 10736013), (62, 10389690), (67, 9614340), (90, 7157342), (93, 6926460), (124, 5194845), (134, 4807170), (155, 4155876), (180, 3578671), (186, 3463230), (201, 3204780), (268, 2403585), (279, 2308820), (310, 2077938), (335, 1922868), (372, 1731615), (402, 1602390), (465, 1385292), (558, 1154410), (603, 1068260), (620, 1038969), (670, 961434), (804, 801195), (930, 692646), (1005, 640956), (1116, 577205), (1206, 534130), (1340, 480717), (1395, 461764), (1723, 373860), (1860, 346323), (2010, 320478), (2077, 310140), (2412, 267065), (2790, 230882), (3015, 213652), (3446, 186930), (4020, 160239), (4154, 155070), (5169, 124620), (5580, 115441), (6030, 106826), (6231, 103380), (6892, 93465), (8308, 77535), (8615, 74772), (10338, 62310), (10385, 62028), (12060, 53413), (12462, 51690), (15507, 41540), (17230, 37386), (18693, 34460), (20676, 31155), (20770, 31014), (24924, 25845)]