2121040080

素因数分解:

$2^4\times 3^{10}\times 5^1\times {\mathrm{449}}^1$

素因数の和:492

約数の個数: 220

約数和(自身を含む): 7413560100

約数和(自身を除く): 5292520020

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 81, 90, 108, 120, 135, 144, 162, 180, 216, 240, 243, 270, 324, 360, 405, 432, 449, 486, 540, 648, 720, 729, 810, 898, 972, 1080, 1215, 1296, 1347, 1458, 1620, 1796, 1944, 2160, 2187, 2245, 2430, 2694, 2916, 3240, 3592, 3645, 3888, 4041, 4374, 4490, 4860, 5388, 5832, 6480, 6561, 6735, 7184, 7290, 8082, 8748, 8980, 9720, 10776, 10935, 11664, 12123, 13122, 13470, 14580, 16164, 17496, 17960, 19440, 19683, 20205, 21552, 21870, 24246, 26244, 26940, 29160, 32328, 32805, 34992, 35920, 36369, 39366, 40410, 43740, 48492, 52488, 53880, 58320, 59049, 60615, 64656, 65610, 72738, 78732, 80820, 87480, 96984, 98415, 104976, 107760, 109107, 118098, 121230, 131220, 145476, 157464, 161640, 174960, 181845, 193968, 196830, 218214, 236196, 242460, 262440, 290952, 295245, 314928, 323280, 327321, 363690, 393660, 436428, 472392, 484920, 524880, 545535, 581904, 590490, 654642, 727380, 787320, 872856, 944784, 969840, 981963, 1091070, 1180980, 1309284, 1454760, 1574640, 1636605, 1745712, 1963926, 2182140, 2361960, 2618568, 2909520, 2945889, 3273210, 3927852, 4364280, 4723920, 4909815, 5237136, 5891778, 6546420, 7855704, 8728560, 8837667, 9819630, 11783556, 13092840, 14729445, 15711408, 17675334, 19639260, 23567112, 26185680, 26513001, 29458890, 35350668, 39278520, 44188335, 47134224, 53026002, 58917780, 70701336, 78557040, 88376670, 106052004, 117835560, 132565005, 141402672, 176753340, 212104008, 235671120, 265130010, 353506680, 424208016, 530260020, 707013360, 1060520040, 2121040080]

約数ペア:

[(1, 2121040080), (2, 1060520040), (3, 707013360), (4, 530260020), (5, 424208016), (6, 353506680), (8, 265130010), (9, 235671120), (10, 212104008), (12, 176753340), (15, 141402672), (16, 132565005), (18, 117835560), (20, 106052004), (24, 88376670), (27, 78557040), (30, 70701336), (36, 58917780), (40, 53026002), (45, 47134224), (48, 44188335), (54, 39278520), (60, 35350668), (72, 29458890), (80, 26513001), (81, 26185680), (90, 23567112), (108, 19639260), (120, 17675334), (135, 15711408), (144, 14729445), (162, 13092840), (180, 11783556), (216, 9819630), (240, 8837667), (243, 8728560), (270, 7855704), (324, 6546420), (360, 5891778), (405, 5237136), (432, 4909815), (449, 4723920), (486, 4364280), (540, 3927852), (648, 3273210), (720, 2945889), (729, 2909520), (810, 2618568), (898, 2361960), (972, 2182140), (1080, 1963926), (1215, 1745712), (1296, 1636605), (1347, 1574640), (1458, 1454760), (1620, 1309284), (1796, 1180980), (1944, 1091070), (2160, 981963), (2187, 969840), (2245, 944784), (2430, 872856), (2694, 787320), (2916, 727380), (3240, 654642), (3592, 590490), (3645, 581904), (3888, 545535), (4041, 524880), (4374, 484920), (4490, 472392), (4860, 436428), (5388, 393660), (5832, 363690), (6480, 327321), (6561, 323280), (6735, 314928), (7184, 295245), (7290, 290952), (8082, 262440), (8748, 242460), (8980, 236196), (9720, 218214), (10776, 196830), (10935, 193968), (11664, 181845), (12123, 174960), (13122, 161640), (13470, 157464), (14580, 145476), (16164, 131220), (17496, 121230), (17960, 118098), (19440, 109107), (19683, 107760), (20205, 104976), (21552, 98415), (21870, 96984), (24246, 87480), (26244, 80820), (26940, 78732), (29160, 72738), (32328, 65610), (32805, 64656), (34992, 60615), (35920, 59049), (36369, 58320), (39366, 53880), (40410, 52488), (43740, 48492)]