1538356960

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{821}}^1$

素因数の和:1089

約数の個数: 144

約数和(自身を含む): 4250594880

約数和(自身を除く): 2712237920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 239, 245, 280, 392, 478, 490, 560, 784, 821, 956, 980, 1120, 1195, 1568, 1642, 1673, 1912, 1960, 2390, 3284, 3346, 3824, 3920, 4105, 4780, 5747, 6568, 6692, 7648, 7840, 8210, 8365, 9560, 11494, 11711, 13136, 13384, 16420, 16730, 19120, 22988, 23422, 26272, 26768, 28735, 32840, 33460, 38240, 40229, 45976, 46844, 53536, 57470, 58555, 65680, 66920, 80458, 91952, 93688, 114940, 117110, 131360, 133840, 160916, 183904, 187376, 196219, 201145, 229880, 234220, 267680, 321832, 374752, 392438, 402290, 459760, 468440, 643664, 784876, 804580, 919520, 936880, 981095, 1287328, 1373533, 1569752, 1609160, 1873760, 1962190, 2747066, 3139504, 3218320, 3924380, 5494132, 6279008, 6436640, 6867665, 7848760, 9614731, 10988264, 13735330, 15697520, 19229462, 21976528, 27470660, 31395040, 38458924, 43953056, 48073655, 54941320, 76917848, 96147310, 109882640, 153835696, 192294620, 219765280, 307671392, 384589240, 769178480, 1538356960]

約数ペア:

[(1, 1538356960), (2, 769178480), (4, 384589240), (5, 307671392), (7, 219765280), (8, 192294620), (10, 153835696), (14, 109882640), (16, 96147310), (20, 76917848), (28, 54941320), (32, 48073655), (35, 43953056), (40, 38458924), (49, 31395040), (56, 27470660), (70, 21976528), (80, 19229462), (98, 15697520), (112, 13735330), (140, 10988264), (160, 9614731), (196, 7848760), (224, 6867665), (239, 6436640), (245, 6279008), (280, 5494132), (392, 3924380), (478, 3218320), (490, 3139504), (560, 2747066), (784, 1962190), (821, 1873760), (956, 1609160), (980, 1569752), (1120, 1373533), (1195, 1287328), (1568, 981095), (1642, 936880), (1673, 919520), (1912, 804580), (1960, 784876), (2390, 643664), (3284, 468440), (3346, 459760), (3824, 402290), (3920, 392438), (4105, 374752), (4780, 321832), (5747, 267680), (6568, 234220), (6692, 229880), (7648, 201145), (7840, 196219), (8210, 187376), (8365, 183904), (9560, 160916), (11494, 133840), (11711, 131360), (13136, 117110), (13384, 114940), (16420, 93688), (16730, 91952), (19120, 80458), (22988, 66920), (23422, 65680), (26272, 58555), (26768, 57470), (28735, 53536), (32840, 46844), (33460, 45976), (38240, 40229)]