391732120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1279}}^1$

素因数の和:1353

約数の個数: 128

約数和(自身を含む): 1032192000

約数和(自身を除く): 640459880

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 31, 38, 40, 52, 62, 65, 76, 95, 104, 124, 130, 152, 155, 190, 247, 248, 260, 310, 380, 403, 494, 520, 589, 620, 760, 806, 988, 1178, 1235, 1240, 1279, 1612, 1976, 2015, 2356, 2470, 2558, 2945, 3224, 4030, 4712, 4940, 5116, 5890, 6395, 7657, 8060, 9880, 10232, 11780, 12790, 15314, 16120, 16627, 23560, 24301, 25580, 30628, 33254, 38285, 39649, 48602, 51160, 61256, 66508, 76570, 79298, 83135, 97204, 121505, 133016, 153140, 158596, 166270, 194408, 198245, 243010, 306280, 315913, 317192, 332540, 396490, 486020, 515437, 631826, 665080, 753331, 792980, 972040, 1030874, 1263652, 1506662, 1579565, 1585960, 2061748, 2527304, 2577185, 3013324, 3159130, 3766655, 4123496, 5154370, 6026648, 6318260, 7533310, 9793303, 10308740, 12636520, 15066620, 19586606, 20617480, 30133240, 39173212, 48966515, 78346424, 97933030, 195866060, 391732120]

約数ペア:

[(1, 391732120), (2, 195866060), (4, 97933030), (5, 78346424), (8, 48966515), (10, 39173212), (13, 30133240), (19, 20617480), (20, 19586606), (26, 15066620), (31, 12636520), (38, 10308740), (40, 9793303), (52, 7533310), (62, 6318260), (65, 6026648), (76, 5154370), (95, 4123496), (104, 3766655), (124, 3159130), (130, 3013324), (152, 2577185), (155, 2527304), (190, 2061748), (247, 1585960), (248, 1579565), (260, 1506662), (310, 1263652), (380, 1030874), (403, 972040), (494, 792980), (520, 753331), (589, 665080), (620, 631826), (760, 515437), (806, 486020), (988, 396490), (1178, 332540), (1235, 317192), (1240, 315913), (1279, 306280), (1612, 243010), (1976, 198245), (2015, 194408), (2356, 166270), (2470, 158596), (2558, 153140), (2945, 133016), (3224, 121505), (4030, 97204), (4712, 83135), (4940, 79298), (5116, 76570), (5890, 66508), (6395, 61256), (7657, 51160), (8060, 48602), (9880, 39649), (10232, 38285), (11780, 33254), (12790, 30628), (15314, 25580), (16120, 24301), (16627, 23560)]