31804560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{271}}^1$

素因数の和:453

約数の個数: 120

約数和(自身を含む): 107862144

約数和(自身を除く): 76057584

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 36, 40, 45, 48, 60, 72, 80, 90, 120, 144, 163, 180, 240, 271, 326, 360, 489, 542, 652, 720, 813, 815, 978, 1084, 1304, 1355, 1467, 1626, 1630, 1956, 2168, 2439, 2445, 2608, 2710, 2934, 3252, 3260, 3912, 4065, 4336, 4878, 4890, 5420, 5868, 6504, 6520, 7335, 7824, 8130, 9756, 9780, 10840, 11736, 12195, 13008, 13040, 14670, 16260, 19512, 19560, 21680, 23472, 24390, 29340, 32520, 39024, 39120, 44173, 48780, 58680, 65040, 88346, 97560, 117360, 132519, 176692, 195120, 220865, 265038, 353384, 397557, 441730, 530076, 662595, 706768, 795114, 883460, 1060152, 1325190, 1590228, 1766920, 1987785, 2120304, 2650380, 3180456, 3533840, 3975570, 5300760, 6360912, 7951140, 10601520, 15902280, 31804560]

約数ペア:

[(1, 31804560), (2, 15902280), (3, 10601520), (4, 7951140), (5, 6360912), (6, 5300760), (8, 3975570), (9, 3533840), (10, 3180456), (12, 2650380), (15, 2120304), (16, 1987785), (18, 1766920), (20, 1590228), (24, 1325190), (30, 1060152), (36, 883460), (40, 795114), (45, 706768), (48, 662595), (60, 530076), (72, 441730), (80, 397557), (90, 353384), (120, 265038), (144, 220865), (163, 195120), (180, 176692), (240, 132519), (271, 117360), (326, 97560), (360, 88346), (489, 65040), (542, 58680), (652, 48780), (720, 44173), (813, 39120), (815, 39024), (978, 32520), (1084, 29340), (1304, 24390), (1355, 23472), (1467, 21680), (1626, 19560), (1630, 19512), (1956, 16260), (2168, 14670), (2439, 13040), (2445, 13008), (2608, 12195), (2710, 11736), (2934, 10840), (3252, 9780), (3260, 9756), (3912, 8130), (4065, 7824), (4336, 7335), (4878, 6520), (4890, 6504), (5420, 5868)]