61325440

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1$

素因数の和:342

約数の個数: 128

約数和(自身を含む): 165680640

約数和(自身を除く): 104355200

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 32, 40, 44, 55, 62, 64, 80, 88, 110, 124, 128, 155, 160, 176, 220, 248, 281, 310, 320, 341, 352, 440, 496, 562, 620, 640, 682, 704, 880, 992, 1124, 1240, 1364, 1405, 1408, 1705, 1760, 1984, 2248, 2480, 2728, 2810, 3091, 3410, 3520, 3968, 4496, 4960, 5456, 5620, 6182, 6820, 7040, 8711, 8992, 9920, 10912, 11240, 12364, 13640, 15455, 17422, 17984, 19840, 21824, 22480, 24728, 27280, 30910, 34844, 35968, 43555, 43648, 44960, 49456, 54560, 61820, 69688, 87110, 89920, 95821, 98912, 109120, 123640, 139376, 174220, 179840, 191642, 197824, 218240, 247280, 278752, 348440, 383284, 395648, 479105, 494560, 557504, 696880, 766568, 958210, 989120, 1115008, 1393760, 1533136, 1916420, 1978240, 2787520, 3066272, 3832840, 5575040, 6132544, 7665680, 12265088, 15331360, 30662720, 61325440]

約数ペア:

[(1, 61325440), (2, 30662720), (4, 15331360), (5, 12265088), (8, 7665680), (10, 6132544), (11, 5575040), (16, 3832840), (20, 3066272), (22, 2787520), (31, 1978240), (32, 1916420), (40, 1533136), (44, 1393760), (55, 1115008), (62, 989120), (64, 958210), (80, 766568), (88, 696880), (110, 557504), (124, 494560), (128, 479105), (155, 395648), (160, 383284), (176, 348440), (220, 278752), (248, 247280), (281, 218240), (310, 197824), (320, 191642), (341, 179840), (352, 174220), (440, 139376), (496, 123640), (562, 109120), (620, 98912), (640, 95821), (682, 89920), (704, 87110), (880, 69688), (992, 61820), (1124, 54560), (1240, 49456), (1364, 44960), (1405, 43648), (1408, 43555), (1705, 35968), (1760, 34844), (1984, 30910), (2248, 27280), (2480, 24728), (2728, 22480), (2810, 21824), (3091, 19840), (3410, 17984), (3520, 17422), (3968, 15455), (4496, 13640), (4960, 12364), (5456, 11240), (5620, 10912), (6182, 9920), (6820, 8992), (7040, 8711)]