1320530560

素因数分解:

$2^7\times 5^1\times {\mathrm{31}}^1\times {\mathrm{101}}^1\times {\mathrm{659}}^1$

素因数の和:810

約数の個数: 128

約数和(自身を含む): 3295987200

約数和(自身を除く): 1975456640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 101, 124, 128, 155, 160, 202, 248, 310, 320, 404, 496, 505, 620, 640, 659, 808, 992, 1010, 1240, 1318, 1616, 1984, 2020, 2480, 2636, 3131, 3232, 3295, 3968, 4040, 4960, 5272, 6262, 6464, 6590, 8080, 9920, 10544, 12524, 12928, 13180, 15655, 16160, 19840, 20429, 21088, 25048, 26360, 31310, 32320, 40858, 42176, 50096, 52720, 62620, 64640, 66559, 81716, 84352, 100192, 102145, 105440, 125240, 133118, 163432, 200384, 204290, 210880, 250480, 266236, 326864, 332795, 400768, 408580, 421760, 500960, 532472, 653728, 665590, 817160, 1001920, 1064944, 1307456, 1331180, 1634320, 2003840, 2063329, 2129888, 2614912, 2662360, 3268640, 4126658, 4259776, 5324720, 6537280, 8253316, 8519552, 10316645, 10649440, 13074560, 16506632, 20633290, 21298880, 33013264, 41266580, 42597760, 66026528, 82533160, 132053056, 165066320, 264106112, 330132640, 660265280, 1320530560]

約数ペア:

[(1, 1320530560), (2, 660265280), (4, 330132640), (5, 264106112), (8, 165066320), (10, 132053056), (16, 82533160), (20, 66026528), (31, 42597760), (32, 41266580), (40, 33013264), (62, 21298880), (64, 20633290), (80, 16506632), (101, 13074560), (124, 10649440), (128, 10316645), (155, 8519552), (160, 8253316), (202, 6537280), (248, 5324720), (310, 4259776), (320, 4126658), (404, 3268640), (496, 2662360), (505, 2614912), (620, 2129888), (640, 2063329), (659, 2003840), (808, 1634320), (992, 1331180), (1010, 1307456), (1240, 1064944), (1318, 1001920), (1616, 817160), (1984, 665590), (2020, 653728), (2480, 532472), (2636, 500960), (3131, 421760), (3232, 408580), (3295, 400768), (3968, 332795), (4040, 326864), (4960, 266236), (5272, 250480), (6262, 210880), (6464, 204290), (6590, 200384), (8080, 163432), (9920, 133118), (10544, 125240), (12524, 105440), (12928, 102145), (13180, 100192), (15655, 84352), (16160, 81716), (19840, 66559), (20429, 64640), (21088, 62620), (25048, 52720), (26360, 50096), (31310, 42176), (32320, 40858)]