64361240

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{101}}^1\times {\mathrm{179}}^1$

素因数の和:380

約数の個数: 64

約数和(自身を含む): 148716000

約数和(自身を除く): 84354760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 101, 178, 179, 202, 356, 358, 404, 445, 505, 712, 716, 808, 890, 895, 1010, 1432, 1780, 1790, 2020, 3560, 3580, 4040, 7160, 8989, 15931, 17978, 18079, 31862, 35956, 36158, 44945, 63724, 71912, 72316, 79655, 89890, 90395, 127448, 144632, 159310, 179780, 180790, 318620, 359560, 361580, 637240, 723160, 1609031, 3218062, 6436124, 8045155, 12872248, 16090310, 32180620, 64361240]

約数ペア:

[(1, 64361240), (2, 32180620), (4, 16090310), (5, 12872248), (8, 8045155), (10, 6436124), (20, 3218062), (40, 1609031), (89, 723160), (101, 637240), (178, 361580), (179, 359560), (202, 318620), (356, 180790), (358, 179780), (404, 159310), (445, 144632), (505, 127448), (712, 90395), (716, 89890), (808, 79655), (890, 72316), (895, 71912), (1010, 63724), (1432, 44945), (1780, 36158), (1790, 35956), (2020, 31862), (3560, 18079), (3580, 17978), (4040, 15931), (7160, 8989)]