390206880

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{38711}}^1$

素因数の和:38739

約数の個数: 144

約数和(自身を含む): 1521846144

約数和(自身を除く): 1131639264

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 10080, 38711, 77422, 116133, 154844, 193555, 232266, 270977, 309688, 348399, 387110, 464532, 541954, 580665, 619376, 696798, 774220, 812931, 929064, 1083908, 1161330, 1238752, 1354885, 1393596, 1548440, 1625862, 1741995, 1858128, 2167816, 2322660, 2438793, 2709770, 2787192, 3096880, 3251724, 3483990, 3716256, 4064655, 4335632, 4645320, 4877586, 5419540, 5574384, 6193760, 6503448, 6967980, 8129310, 8671264, 9290640, 9755172, 10839080, 11148768, 12193965, 13006896, 13935960, 16258620, 18581280, 19510344, 21678160, 24387930, 26013792, 27871920, 32517240, 39020688, 43356320, 48775860, 55743840, 65034480, 78041376, 97551720, 130068960, 195103440, 390206880]

約数ペア:

[(1, 390206880), (2, 195103440), (3, 130068960), (4, 97551720), (5, 78041376), (6, 65034480), (7, 55743840), (8, 48775860), (9, 43356320), (10, 39020688), (12, 32517240), (14, 27871920), (15, 26013792), (16, 24387930), (18, 21678160), (20, 19510344), (21, 18581280), (24, 16258620), (28, 13935960), (30, 13006896), (32, 12193965), (35, 11148768), (36, 10839080), (40, 9755172), (42, 9290640), (45, 8671264), (48, 8129310), (56, 6967980), (60, 6503448), (63, 6193760), (70, 5574384), (72, 5419540), (80, 4877586), (84, 4645320), (90, 4335632), (96, 4064655), (105, 3716256), (112, 3483990), (120, 3251724), (126, 3096880), (140, 2787192), (144, 2709770), (160, 2438793), (168, 2322660), (180, 2167816), (210, 1858128), (224, 1741995), (240, 1625862), (252, 1548440), (280, 1393596), (288, 1354885), (315, 1238752), (336, 1161330), (360, 1083908), (420, 929064), (480, 812931), (504, 774220), (560, 696798), (630, 619376), (672, 580665), (720, 541954), (840, 464532), (1008, 387110), (1120, 348399), (1260, 309688), (1440, 270977), (1680, 232266), (2016, 193555), (2520, 154844), (3360, 116133), (5040, 77422), (10080, 38711)]