1901677140

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{87313}}^1$

素因数の和:87350

約数の個数: 108

約数和(自身を含む): 6340568052

約数和(自身を除く): 4438890912

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 15, 18, 20, 22, 30, 33, 36, 44, 45, 55, 60, 66, 90, 99, 110, 121, 132, 165, 180, 198, 220, 242, 330, 363, 396, 484, 495, 605, 660, 726, 990, 1089, 1210, 1452, 1815, 1980, 2178, 2420, 3630, 4356, 5445, 7260, 10890, 21780, 87313, 174626, 261939, 349252, 436565, 523878, 785817, 873130, 960443, 1047756, 1309695, 1571634, 1746260, 1920886, 2619390, 2881329, 3143268, 3841772, 3929085, 4802215, 5238780, 5762658, 7858170, 8643987, 9604430, 10564873, 11525316, 14406645, 15716340, 17287974, 19208860, 21129746, 28813290, 31694619, 34575948, 42259492, 43219935, 52824365, 57626580, 63389238, 86439870, 95083857, 105648730, 126778476, 158473095, 172879740, 190167714, 211297460, 316946190, 380335428, 475419285, 633892380, 950838570, 1901677140]

約数ペア:

[(1, 1901677140), (2, 950838570), (3, 633892380), (4, 475419285), (5, 380335428), (6, 316946190), (9, 211297460), (10, 190167714), (11, 172879740), (12, 158473095), (15, 126778476), (18, 105648730), (20, 95083857), (22, 86439870), (30, 63389238), (33, 57626580), (36, 52824365), (44, 43219935), (45, 42259492), (55, 34575948), (60, 31694619), (66, 28813290), (90, 21129746), (99, 19208860), (110, 17287974), (121, 15716340), (132, 14406645), (165, 11525316), (180, 10564873), (198, 9604430), (220, 8643987), (242, 7858170), (330, 5762658), (363, 5238780), (396, 4802215), (484, 3929085), (495, 3841772), (605, 3143268), (660, 2881329), (726, 2619390), (990, 1920886), (1089, 1746260), (1210, 1571634), (1452, 1309695), (1815, 1047756), (1980, 960443), (2178, 873130), (2420, 785817), (3630, 523878), (4356, 436565), (5445, 349252), (7260, 261939), (10890, 174626), (21780, 87313)]