28648960

素因数分解:

$2^9\times 5^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1$

素因数の和:92

約数の個数: 120

約数和(自身を含む): 74834496

約数和(自身を除く): 46185536

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 31, 32, 38, 40, 62, 64, 76, 80, 95, 124, 128, 152, 155, 160, 190, 248, 256, 304, 310, 320, 361, 380, 496, 512, 589, 608, 620, 640, 722, 760, 992, 1178, 1216, 1240, 1280, 1444, 1520, 1805, 1984, 2356, 2432, 2480, 2560, 2888, 2945, 3040, 3610, 3968, 4712, 4864, 4960, 5776, 5890, 6080, 7220, 7936, 9424, 9728, 9920, 11191, 11552, 11780, 12160, 14440, 15872, 18848, 19840, 22382, 23104, 23560, 24320, 28880, 37696, 39680, 44764, 46208, 47120, 48640, 55955, 57760, 75392, 79360, 89528, 92416, 94240, 111910, 115520, 150784, 179056, 184832, 188480, 223820, 231040, 301568, 358112, 376960, 447640, 462080, 716224, 753920, 895280, 924160, 1432448, 1507840, 1790560, 2864896, 3581120, 5729792, 7162240, 14324480, 28648960]

約数ペア:

[(1, 28648960), (2, 14324480), (4, 7162240), (5, 5729792), (8, 3581120), (10, 2864896), (16, 1790560), (19, 1507840), (20, 1432448), (31, 924160), (32, 895280), (38, 753920), (40, 716224), (62, 462080), (64, 447640), (76, 376960), (80, 358112), (95, 301568), (124, 231040), (128, 223820), (152, 188480), (155, 184832), (160, 179056), (190, 150784), (248, 115520), (256, 111910), (304, 94240), (310, 92416), (320, 89528), (361, 79360), (380, 75392), (496, 57760), (512, 55955), (589, 48640), (608, 47120), (620, 46208), (640, 44764), (722, 39680), (760, 37696), (992, 28880), (1178, 24320), (1216, 23560), (1240, 23104), (1280, 22382), (1444, 19840), (1520, 18848), (1805, 15872), (1984, 14440), (2356, 12160), (2432, 11780), (2480, 11552), (2560, 11191), (2888, 9920), (2945, 9728), (3040, 9424), (3610, 7936), (3968, 7220), (4712, 6080), (4864, 5890), (4960, 5776)]