231790720

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1669}}^1$

素因数の和:1726

約数の個数: 128

約数和(自身を含む): 654105600

約数和(自身を除く): 422314880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1669, 1736, 1984, 2170, 2240, 2480, 3338, 3472, 3968, 4340, 4480, 4960, 6676, 6944, 8345, 8680, 9920, 11683, 13352, 13888, 16690, 17360, 19840, 23366, 26704, 27776, 33380, 34720, 46732, 51739, 53408, 58415, 66760, 69440, 93464, 103478, 106816, 116830, 133520, 138880, 186928, 206956, 213632, 233660, 258695, 267040, 362173, 373856, 413912, 467320, 517390, 534080, 724346, 747712, 827824, 934640, 1034780, 1068160, 1448692, 1495424, 1655648, 1810865, 1869280, 2069560, 2897384, 3311296, 3621730, 3738560, 4139120, 5794768, 6622592, 7243460, 7477120, 8278240, 11589536, 14486920, 16556480, 23179072, 28973840, 33112960, 46358144, 57947680, 115895360, 231790720]

約数ペア:

[(1, 231790720), (2, 115895360), (4, 57947680), (5, 46358144), (7, 33112960), (8, 28973840), (10, 23179072), (14, 16556480), (16, 14486920), (20, 11589536), (28, 8278240), (31, 7477120), (32, 7243460), (35, 6622592), (40, 5794768), (56, 4139120), (62, 3738560), (64, 3621730), (70, 3311296), (80, 2897384), (112, 2069560), (124, 1869280), (128, 1810865), (140, 1655648), (155, 1495424), (160, 1448692), (217, 1068160), (224, 1034780), (248, 934640), (280, 827824), (310, 747712), (320, 724346), (434, 534080), (448, 517390), (496, 467320), (560, 413912), (620, 373856), (640, 362173), (868, 267040), (896, 258695), (992, 233660), (1085, 213632), (1120, 206956), (1240, 186928), (1669, 138880), (1736, 133520), (1984, 116830), (2170, 106816), (2240, 103478), (2480, 93464), (3338, 69440), (3472, 66760), (3968, 58415), (4340, 53408), (4480, 51739), (4960, 46732), (6676, 34720), (6944, 33380), (8345, 27776), (8680, 26704), (9920, 23366), (11683, 19840), (13352, 17360), (13888, 16690)]