128887640

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{3461}}^1$

素因数の和:3505

約数の個数: 96

約数和(自身を含む): 355201200

約数和(自身を除く): 226313560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 19, 20, 28, 35, 38, 40, 49, 56, 70, 76, 95, 98, 133, 140, 152, 190, 196, 245, 266, 280, 380, 392, 490, 532, 665, 760, 931, 980, 1064, 1330, 1862, 1960, 2660, 3461, 3724, 4655, 5320, 6922, 7448, 9310, 13844, 17305, 18620, 24227, 27688, 34610, 37240, 48454, 65759, 69220, 96908, 121135, 131518, 138440, 169589, 193816, 242270, 263036, 328795, 339178, 460313, 484540, 526072, 657590, 678356, 847945, 920626, 969080, 1315180, 1356712, 1695890, 1841252, 2301565, 2630360, 3222191, 3391780, 3682504, 4603130, 6444382, 6783560, 9206260, 12888764, 16110955, 18412520, 25777528, 32221910, 64443820, 128887640]

約数ペア:

[(1, 128887640), (2, 64443820), (4, 32221910), (5, 25777528), (7, 18412520), (8, 16110955), (10, 12888764), (14, 9206260), (19, 6783560), (20, 6444382), (28, 4603130), (35, 3682504), (38, 3391780), (40, 3222191), (49, 2630360), (56, 2301565), (70, 1841252), (76, 1695890), (95, 1356712), (98, 1315180), (133, 969080), (140, 920626), (152, 847945), (190, 678356), (196, 657590), (245, 526072), (266, 484540), (280, 460313), (380, 339178), (392, 328795), (490, 263036), (532, 242270), (665, 193816), (760, 169589), (931, 138440), (980, 131518), (1064, 121135), (1330, 96908), (1862, 69220), (1960, 65759), (2660, 48454), (3461, 37240), (3724, 34610), (4655, 27688), (5320, 24227), (6922, 18620), (7448, 17305), (9310, 13844)]