16621640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:159

約数の個数: 128

約数和(自身を含む): 46656000

約数和(自身を除く): 30034360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 29, 35, 40, 46, 56, 58, 70, 89, 92, 115, 116, 140, 145, 161, 178, 184, 203, 230, 232, 280, 290, 322, 356, 406, 445, 460, 580, 623, 644, 667, 712, 805, 812, 890, 920, 1015, 1160, 1246, 1288, 1334, 1610, 1624, 1780, 2030, 2047, 2492, 2581, 2668, 3115, 3220, 3335, 3560, 4060, 4094, 4669, 4984, 5162, 5336, 6230, 6440, 6670, 8120, 8188, 9338, 10235, 10324, 12460, 12905, 13340, 14329, 16376, 18067, 18676, 20470, 20648, 23345, 24920, 25810, 26680, 28658, 36134, 37352, 40940, 46690, 51620, 57316, 59363, 71645, 72268, 81880, 90335, 93380, 103240, 114632, 118726, 143290, 144536, 180670, 186760, 237452, 286580, 296815, 361340, 415541, 474904, 573160, 593630, 722680, 831082, 1187260, 1662164, 2077705, 2374520, 3324328, 4155410, 8310820, 16621640]

約数ペア:

[(1, 16621640), (2, 8310820), (4, 4155410), (5, 3324328), (7, 2374520), (8, 2077705), (10, 1662164), (14, 1187260), (20, 831082), (23, 722680), (28, 593630), (29, 573160), (35, 474904), (40, 415541), (46, 361340), (56, 296815), (58, 286580), (70, 237452), (89, 186760), (92, 180670), (115, 144536), (116, 143290), (140, 118726), (145, 114632), (161, 103240), (178, 93380), (184, 90335), (203, 81880), (230, 72268), (232, 71645), (280, 59363), (290, 57316), (322, 51620), (356, 46690), (406, 40940), (445, 37352), (460, 36134), (580, 28658), (623, 26680), (644, 25810), (667, 24920), (712, 23345), (805, 20648), (812, 20470), (890, 18676), (920, 18067), (1015, 16376), (1160, 14329), (1246, 13340), (1288, 12905), (1334, 12460), (1610, 10324), (1624, 10235), (1780, 9338), (2030, 8188), (2047, 8120), (2492, 6670), (2581, 6440), (2668, 6230), (3115, 5336), (3220, 5162), (3335, 4984), (3560, 4669), (4060, 4094)]