21775920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2213}}^1$

素因数の和:2270

約数の個数: 80

約数和(自身を含む): 69183072

約数和(自身を除く): 47407152

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1968, 2213, 2460, 3280, 4426, 4920, 6639, 8852, 9840, 11065, 13278, 17704, 22130, 26556, 33195, 35408, 44260, 53112, 66390, 88520, 90733, 106224, 132780, 177040, 181466, 265560, 272199, 362932, 453665, 531120, 544398, 725864, 907330, 1088796, 1360995, 1451728, 1814660, 2177592, 2721990, 3629320, 4355184, 5443980, 7258640, 10887960, 21775920]

約数ペア:

[(1, 21775920), (2, 10887960), (3, 7258640), (4, 5443980), (5, 4355184), (6, 3629320), (8, 2721990), (10, 2177592), (12, 1814660), (15, 1451728), (16, 1360995), (20, 1088796), (24, 907330), (30, 725864), (40, 544398), (41, 531120), (48, 453665), (60, 362932), (80, 272199), (82, 265560), (120, 181466), (123, 177040), (164, 132780), (205, 106224), (240, 90733), (246, 88520), (328, 66390), (410, 53112), (492, 44260), (615, 35408), (656, 33195), (820, 26556), (984, 22130), (1230, 17704), (1640, 13278), (1968, 11065), (2213, 9840), (2460, 8852), (3280, 6639), (4426, 4920)]