181987560

素因数分解:

$2^3\times 3^6\times 5^1\times {\mathrm{79}}^2$

素因数の和:187

約数の個数: 168

約数和(自身を含む): 621796770

約数和(自身を除く): 439809210

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 79, 81, 90, 108, 120, 135, 158, 162, 180, 216, 237, 243, 270, 316, 324, 360, 395, 405, 474, 486, 540, 632, 648, 711, 729, 790, 810, 948, 972, 1080, 1185, 1215, 1422, 1458, 1580, 1620, 1896, 1944, 2133, 2370, 2430, 2844, 2916, 3160, 3240, 3555, 3645, 4266, 4740, 4860, 5688, 5832, 6241, 6399, 7110, 7290, 8532, 9480, 9720, 10665, 12482, 12798, 14220, 14580, 17064, 18723, 19197, 21330, 24964, 25596, 28440, 29160, 31205, 31995, 37446, 38394, 42660, 49928, 51192, 56169, 57591, 62410, 63990, 74892, 76788, 85320, 93615, 95985, 112338, 115182, 124820, 127980, 149784, 153576, 168507, 187230, 191970, 224676, 230364, 249640, 255960, 280845, 287955, 337014, 374460, 383940, 449352, 460728, 505521, 561690, 575910, 674028, 748920, 767880, 842535, 1011042, 1123380, 1151820, 1348056, 1516563, 1685070, 2022084, 2246760, 2303640, 2527605, 3033126, 3370140, 4044168, 4549689, 5055210, 6066252, 6740280, 7582815, 9099378, 10110420, 12132504, 15165630, 18198756, 20220840, 22748445, 30331260, 36397512, 45496890, 60662520, 90993780, 181987560]

約数ペア:

[(1, 181987560), (2, 90993780), (3, 60662520), (4, 45496890), (5, 36397512), (6, 30331260), (8, 22748445), (9, 20220840), (10, 18198756), (12, 15165630), (15, 12132504), (18, 10110420), (20, 9099378), (24, 7582815), (27, 6740280), (30, 6066252), (36, 5055210), (40, 4549689), (45, 4044168), (54, 3370140), (60, 3033126), (72, 2527605), (79, 2303640), (81, 2246760), (90, 2022084), (108, 1685070), (120, 1516563), (135, 1348056), (158, 1151820), (162, 1123380), (180, 1011042), (216, 842535), (237, 767880), (243, 748920), (270, 674028), (316, 575910), (324, 561690), (360, 505521), (395, 460728), (405, 449352), (474, 383940), (486, 374460), (540, 337014), (632, 287955), (648, 280845), (711, 255960), (729, 249640), (790, 230364), (810, 224676), (948, 191970), (972, 187230), (1080, 168507), (1185, 153576), (1215, 149784), (1422, 127980), (1458, 124820), (1580, 115182), (1620, 112338), (1896, 95985), (1944, 93615), (2133, 85320), (2370, 76788), (2430, 74892), (2844, 63990), (2916, 62410), (3160, 57591), (3240, 56169), (3555, 51192), (3645, 49928), (4266, 42660), (4740, 38394), (4860, 37446), (5688, 31995), (5832, 31205), (6241, 29160), (6399, 28440), (7110, 25596), (7290, 24964), (8532, 21330), (9480, 19197), (9720, 18723), (10665, 17064), (12482, 14580), (12798, 14220)]