28198980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3821}}^1$

素因数の和:3877

約数の個数: 72

約数和(自身を含む): 87646104

約数和(自身を除く): 59447124

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 41, 45, 60, 82, 90, 123, 164, 180, 205, 246, 369, 410, 492, 615, 738, 820, 1230, 1476, 1845, 2460, 3690, 3821, 7380, 7642, 11463, 15284, 19105, 22926, 34389, 38210, 45852, 57315, 68778, 76420, 114630, 137556, 156661, 171945, 229260, 313322, 343890, 469983, 626644, 687780, 783305, 939966, 1409949, 1566610, 1879932, 2349915, 2819898, 3133220, 4699830, 5639796, 7049745, 9399660, 14099490, 28198980]

約数ペア:

[(1, 28198980), (2, 14099490), (3, 9399660), (4, 7049745), (5, 5639796), (6, 4699830), (9, 3133220), (10, 2819898), (12, 2349915), (15, 1879932), (18, 1566610), (20, 1409949), (30, 939966), (36, 783305), (41, 687780), (45, 626644), (60, 469983), (82, 343890), (90, 313322), (123, 229260), (164, 171945), (180, 156661), (205, 137556), (246, 114630), (369, 76420), (410, 68778), (492, 57315), (615, 45852), (738, 38210), (820, 34389), (1230, 22926), (1476, 19105), (1845, 15284), (2460, 11463), (3690, 7642), (3821, 7380)]