28886760

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{3821}}^1$

素因数の和:3848

約数の個数: 128

約数和(自身を含む): 110073600

約数和(自身を除く): 81186840

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 3780, 3821, 7560, 7642, 11463, 15284, 19105, 22926, 26747, 30568, 34389, 38210, 45852, 53494, 57315, 68778, 76420, 80241, 91704, 103167, 106988, 114630, 133735, 137556, 152840, 160482, 171945, 206334, 213976, 229260, 240723, 267470, 275112, 320964, 343890, 401205, 412668, 458520, 481446, 515835, 534940, 641928, 687780, 722169, 802410, 825336, 962892, 1031670, 1069880, 1203615, 1375560, 1444338, 1604820, 1925784, 2063340, 2407230, 2888676, 3209640, 3610845, 4126680, 4814460, 5777352, 7221690, 9628920, 14443380, 28886760]

約数ペア:

[(1, 28886760), (2, 14443380), (3, 9628920), (4, 7221690), (5, 5777352), (6, 4814460), (7, 4126680), (8, 3610845), (9, 3209640), (10, 2888676), (12, 2407230), (14, 2063340), (15, 1925784), (18, 1604820), (20, 1444338), (21, 1375560), (24, 1203615), (27, 1069880), (28, 1031670), (30, 962892), (35, 825336), (36, 802410), (40, 722169), (42, 687780), (45, 641928), (54, 534940), (56, 515835), (60, 481446), (63, 458520), (70, 412668), (72, 401205), (84, 343890), (90, 320964), (105, 275112), (108, 267470), (120, 240723), (126, 229260), (135, 213976), (140, 206334), (168, 171945), (180, 160482), (189, 152840), (210, 137556), (216, 133735), (252, 114630), (270, 106988), (280, 103167), (315, 91704), (360, 80241), (378, 76420), (420, 68778), (504, 57315), (540, 53494), (630, 45852), (756, 38210), (840, 34389), (945, 30568), (1080, 26747), (1260, 22926), (1512, 19105), (1890, 15284), (2520, 11463), (3780, 7642), (3821, 7560)]