91680680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{283}}^1$

素因数の和:403

約数の個数: 128

約数和(自身を含む): 257644800

約数和(自身を除く): 165964120

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 89, 91, 104, 130, 140, 178, 182, 260, 280, 283, 356, 364, 445, 455, 520, 566, 623, 712, 728, 890, 910, 1132, 1157, 1246, 1415, 1780, 1820, 1981, 2264, 2314, 2492, 2830, 3115, 3560, 3640, 3679, 3962, 4628, 4984, 5660, 5785, 6230, 7358, 7924, 8099, 9256, 9905, 11320, 11570, 12460, 14716, 15848, 16198, 18395, 19810, 23140, 24920, 25187, 25753, 29432, 32396, 36790, 39620, 40495, 46280, 50374, 51506, 64792, 73580, 79240, 80990, 100748, 103012, 125935, 128765, 147160, 161980, 176309, 201496, 206024, 251870, 257530, 323960, 327431, 352618, 503740, 515060, 654862, 705236, 881545, 1007480, 1030120, 1309724, 1410472, 1637155, 1763090, 2292017, 2619448, 3274310, 3526180, 4584034, 6548620, 7052360, 9168068, 11460085, 13097240, 18336136, 22920170, 45840340, 91680680]

約数ペア:

[(1, 91680680), (2, 45840340), (4, 22920170), (5, 18336136), (7, 13097240), (8, 11460085), (10, 9168068), (13, 7052360), (14, 6548620), (20, 4584034), (26, 3526180), (28, 3274310), (35, 2619448), (40, 2292017), (52, 1763090), (56, 1637155), (65, 1410472), (70, 1309724), (89, 1030120), (91, 1007480), (104, 881545), (130, 705236), (140, 654862), (178, 515060), (182, 503740), (260, 352618), (280, 327431), (283, 323960), (356, 257530), (364, 251870), (445, 206024), (455, 201496), (520, 176309), (566, 161980), (623, 147160), (712, 128765), (728, 125935), (890, 103012), (910, 100748), (1132, 80990), (1157, 79240), (1246, 73580), (1415, 64792), (1780, 51506), (1820, 50374), (1981, 46280), (2264, 40495), (2314, 39620), (2492, 36790), (2830, 32396), (3115, 29432), (3560, 25753), (3640, 25187), (3679, 24920), (3962, 23140), (4628, 19810), (4984, 18395), (5660, 16198), (5785, 15848), (6230, 14716), (7358, 12460), (7924, 11570), (8099, 11320), (9256, 9905)]