1977789120

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{55681}}^1$

素因数の和:55738

約数の個数: 112

約数和(自身を含む): 6449311968

約数和(自身を除く): 4471522848

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 37, 40, 48, 60, 64, 74, 80, 96, 111, 120, 148, 160, 185, 192, 222, 240, 296, 320, 370, 444, 480, 555, 592, 740, 888, 960, 1110, 1184, 1480, 1776, 2220, 2368, 2960, 3552, 4440, 5920, 7104, 8880, 11840, 17760, 35520, 55681, 111362, 167043, 222724, 278405, 334086, 445448, 556810, 668172, 835215, 890896, 1113620, 1336344, 1670430, 1781792, 2060197, 2227240, 2672688, 3340860, 3563584, 4120394, 4454480, 5345376, 6180591, 6681720, 8240788, 8908960, 10300985, 10690752, 12361182, 13363440, 16481576, 17817920, 20601970, 24722364, 26726880, 30902955, 32963152, 41203940, 49444728, 53453760, 61805910, 65926304, 82407880, 98889456, 123611820, 131852608, 164815760, 197778912, 247223640, 329631520, 395557824, 494447280, 659263040, 988894560, 1977789120]

約数ペア:

[(1, 1977789120), (2, 988894560), (3, 659263040), (4, 494447280), (5, 395557824), (6, 329631520), (8, 247223640), (10, 197778912), (12, 164815760), (15, 131852608), (16, 123611820), (20, 98889456), (24, 82407880), (30, 65926304), (32, 61805910), (37, 53453760), (40, 49444728), (48, 41203940), (60, 32963152), (64, 30902955), (74, 26726880), (80, 24722364), (96, 20601970), (111, 17817920), (120, 16481576), (148, 13363440), (160, 12361182), (185, 10690752), (192, 10300985), (222, 8908960), (240, 8240788), (296, 6681720), (320, 6180591), (370, 5345376), (444, 4454480), (480, 4120394), (555, 3563584), (592, 3340860), (740, 2672688), (888, 2227240), (960, 2060197), (1110, 1781792), (1184, 1670430), (1480, 1336344), (1776, 1113620), (2220, 890896), (2368, 835215), (2960, 668172), (3552, 556810), (4440, 445448), (5920, 334086), (7104, 278405), (8880, 222724), (11840, 167043), (17760, 111362), (35520, 55681)]