2387840

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1$

素因数の和:80

約数の個数: 128

約数和(自身を含む): 7197120

約数和(自身を除く): 4809280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 41, 52, 56, 64, 65, 70, 80, 82, 91, 104, 112, 128, 130, 140, 160, 164, 182, 205, 208, 224, 260, 280, 287, 320, 328, 364, 410, 416, 448, 455, 520, 533, 560, 574, 640, 656, 728, 820, 832, 896, 910, 1040, 1066, 1120, 1148, 1312, 1435, 1456, 1640, 1664, 1820, 2080, 2132, 2240, 2296, 2624, 2665, 2870, 2912, 3280, 3640, 3731, 4160, 4264, 4480, 4592, 5248, 5330, 5740, 5824, 6560, 7280, 7462, 8320, 8528, 9184, 10660, 11480, 11648, 13120, 14560, 14924, 17056, 18368, 18655, 21320, 22960, 26240, 29120, 29848, 34112, 36736, 37310, 42640, 45920, 58240, 59696, 68224, 74620, 85280, 91840, 119392, 149240, 170560, 183680, 238784, 298480, 341120, 477568, 596960, 1193920, 2387840]

約数ペア:

[(1, 2387840), (2, 1193920), (4, 596960), (5, 477568), (7, 341120), (8, 298480), (10, 238784), (13, 183680), (14, 170560), (16, 149240), (20, 119392), (26, 91840), (28, 85280), (32, 74620), (35, 68224), (40, 59696), (41, 58240), (52, 45920), (56, 42640), (64, 37310), (65, 36736), (70, 34112), (80, 29848), (82, 29120), (91, 26240), (104, 22960), (112, 21320), (128, 18655), (130, 18368), (140, 17056), (160, 14924), (164, 14560), (182, 13120), (205, 11648), (208, 11480), (224, 10660), (260, 9184), (280, 8528), (287, 8320), (320, 7462), (328, 7280), (364, 6560), (410, 5824), (416, 5740), (448, 5330), (455, 5248), (520, 4592), (533, 4480), (560, 4264), (574, 4160), (640, 3731), (656, 3640), (728, 3280), (820, 2912), (832, 2870), (896, 2665), (910, 2624), (1040, 2296), (1066, 2240), (1120, 2132), (1148, 2080), (1312, 1820), (1435, 1664), (1456, 1640)]