128400240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{11383}}^1$

素因数の和:11446

約数の個数: 80

約数和(自身を含む): 406545408

約数和(自身を除く): 278145168

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 47, 48, 60, 80, 94, 120, 141, 188, 235, 240, 282, 376, 470, 564, 705, 752, 940, 1128, 1410, 1880, 2256, 2820, 3760, 5640, 11280, 11383, 22766, 34149, 45532, 56915, 68298, 91064, 113830, 136596, 170745, 182128, 227660, 273192, 341490, 455320, 535001, 546384, 682980, 910640, 1070002, 1365960, 1605003, 2140004, 2675005, 2731920, 3210006, 4280008, 5350010, 6420012, 8025015, 8560016, 10700020, 12840024, 16050030, 21400040, 25680048, 32100060, 42800080, 64200120, 128400240]

約数ペア:

[(1, 128400240), (2, 64200120), (3, 42800080), (4, 32100060), (5, 25680048), (6, 21400040), (8, 16050030), (10, 12840024), (12, 10700020), (15, 8560016), (16, 8025015), (20, 6420012), (24, 5350010), (30, 4280008), (40, 3210006), (47, 2731920), (48, 2675005), (60, 2140004), (80, 1605003), (94, 1365960), (120, 1070002), (141, 910640), (188, 682980), (235, 546384), (240, 535001), (282, 455320), (376, 341490), (470, 273192), (564, 227660), (705, 182128), (752, 170745), (940, 136596), (1128, 113830), (1410, 91064), (1880, 68298), (2256, 56915), (2820, 45532), (3760, 34149), (5640, 22766), (11280, 11383)]