1789980240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{971}}^1\times {\mathrm{7681}}^1$

素因数の和:8668

約数の個数: 80

約数和(自身を含む): 5555376576

約数和(自身を除く): 3765396336

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 971, 1942, 2913, 3884, 4855, 5826, 7681, 7768, 9710, 11652, 14565, 15362, 15536, 19420, 23043, 23304, 29130, 30724, 38405, 38840, 46086, 46608, 58260, 61448, 76810, 77680, 92172, 115215, 116520, 122896, 153620, 184344, 230430, 233040, 307240, 368688, 460860, 614480, 921720, 1843440, 7458251, 14916502, 22374753, 29833004, 37291255, 44749506, 59666008, 74582510, 89499012, 111873765, 119332016, 149165020, 178998024, 223747530, 298330040, 357996048, 447495060, 596660080, 894990120, 1789980240]

約数ペア:

[(1, 1789980240), (2, 894990120), (3, 596660080), (4, 447495060), (5, 357996048), (6, 298330040), (8, 223747530), (10, 178998024), (12, 149165020), (15, 119332016), (16, 111873765), (20, 89499012), (24, 74582510), (30, 59666008), (40, 44749506), (48, 37291255), (60, 29833004), (80, 22374753), (120, 14916502), (240, 7458251), (971, 1843440), (1942, 921720), (2913, 614480), (3884, 460860), (4855, 368688), (5826, 307240), (7681, 233040), (7768, 230430), (9710, 184344), (11652, 153620), (14565, 122896), (15362, 116520), (15536, 115215), (19420, 92172), (23043, 77680), (23304, 76810), (29130, 61448), (30724, 58260), (38405, 46608), (38840, 46086)]