1280194920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{187163}}^1$

素因数の和:187199

約数の個数: 96

約数和(自身を含む): 4379637600

約数和(自身を除く): 3099442680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 228, 285, 342, 360, 380, 456, 570, 684, 760, 855, 1140, 1368, 1710, 2280, 3420, 6840, 187163, 374326, 561489, 748652, 935815, 1122978, 1497304, 1684467, 1871630, 2245956, 2807445, 3368934, 3556097, 3743260, 4491912, 5614890, 6737868, 7112194, 7486520, 8422335, 10668291, 11229780, 13475736, 14224388, 16844670, 17780485, 21336582, 22459560, 28448776, 32004873, 33689340, 35560970, 42673164, 53341455, 64009746, 67378680, 71121940, 85346328, 106682910, 128019492, 142243880, 160024365, 213365820, 256038984, 320048730, 426731640, 640097460, 1280194920]

約数ペア:

[(1, 1280194920), (2, 640097460), (3, 426731640), (4, 320048730), (5, 256038984), (6, 213365820), (8, 160024365), (9, 142243880), (10, 128019492), (12, 106682910), (15, 85346328), (18, 71121940), (19, 67378680), (20, 64009746), (24, 53341455), (30, 42673164), (36, 35560970), (38, 33689340), (40, 32004873), (45, 28448776), (57, 22459560), (60, 21336582), (72, 17780485), (76, 16844670), (90, 14224388), (95, 13475736), (114, 11229780), (120, 10668291), (152, 8422335), (171, 7486520), (180, 7112194), (190, 6737868), (228, 5614890), (285, 4491912), (342, 3743260), (360, 3556097), (380, 3368934), (456, 2807445), (570, 2245956), (684, 1871630), (760, 1684467), (855, 1497304), (1140, 1122978), (1368, 935815), (1710, 748652), (2280, 561489), (3420, 374326), (6840, 187163)]