542802560

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:410

約数の個数: 128

約数和(自身を含む): 1357171200

約数和(自身を除く): 814368640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 109, 124, 128, 155, 160, 218, 248, 251, 310, 320, 436, 496, 502, 545, 620, 640, 872, 992, 1004, 1090, 1240, 1255, 1744, 1984, 2008, 2180, 2480, 2510, 3379, 3488, 3968, 4016, 4360, 4960, 5020, 6758, 6976, 7781, 8032, 8720, 9920, 10040, 13516, 13952, 15562, 16064, 16895, 17440, 19840, 20080, 27032, 27359, 31124, 32128, 33790, 34880, 38905, 40160, 54064, 54718, 62248, 67580, 69760, 77810, 80320, 108128, 109436, 124496, 135160, 136795, 155620, 160640, 216256, 218872, 248992, 270320, 273590, 311240, 432512, 437744, 497984, 540640, 547180, 622480, 848129, 875488, 995968, 1081280, 1094360, 1244960, 1696258, 1750976, 2162560, 2188720, 2489920, 3392516, 3501952, 4240645, 4377440, 4979840, 6785032, 8481290, 8754880, 13570064, 16962580, 17509760, 27140128, 33925160, 54280256, 67850320, 108560512, 135700640, 271401280, 542802560]

約数ペア:

[(1, 542802560), (2, 271401280), (4, 135700640), (5, 108560512), (8, 67850320), (10, 54280256), (16, 33925160), (20, 27140128), (31, 17509760), (32, 16962580), (40, 13570064), (62, 8754880), (64, 8481290), (80, 6785032), (109, 4979840), (124, 4377440), (128, 4240645), (155, 3501952), (160, 3392516), (218, 2489920), (248, 2188720), (251, 2162560), (310, 1750976), (320, 1696258), (436, 1244960), (496, 1094360), (502, 1081280), (545, 995968), (620, 875488), (640, 848129), (872, 622480), (992, 547180), (1004, 540640), (1090, 497984), (1240, 437744), (1255, 432512), (1744, 311240), (1984, 273590), (2008, 270320), (2180, 248992), (2480, 218872), (2510, 216256), (3379, 160640), (3488, 155620), (3968, 136795), (4016, 135160), (4360, 124496), (4960, 109436), (5020, 108128), (6758, 80320), (6976, 77810), (7781, 69760), (8032, 67580), (8720, 62248), (9920, 54718), (10040, 54064), (13516, 40160), (13952, 38905), (15562, 34880), (16064, 33790), (16895, 32128), (17440, 31124), (19840, 27359), (20080, 27032)]