20749016880

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{40993}}^1$

素因数の和:41068

約数の個数: 240

約数和(自身を含む): 75333853920

約数和(自身を除く): 54584837040

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 19, 20, 24, 30, 36, 37, 38, 40, 45, 48, 57, 60, 72, 74, 76, 80, 90, 95, 111, 114, 120, 144, 148, 152, 171, 180, 185, 190, 222, 228, 240, 285, 296, 304, 333, 342, 360, 370, 380, 444, 456, 555, 570, 592, 666, 684, 703, 720, 740, 760, 855, 888, 912, 1110, 1140, 1332, 1368, 1406, 1480, 1520, 1665, 1710, 1776, 2109, 2220, 2280, 2664, 2736, 2812, 2960, 3330, 3420, 3515, 4218, 4440, 4560, 5328, 5624, 6327, 6660, 6840, 7030, 8436, 8880, 10545, 11248, 12654, 13320, 13680, 14060, 16872, 21090, 25308, 26640, 28120, 31635, 33744, 40993, 42180, 50616, 56240, 63270, 81986, 84360, 101232, 122979, 126540, 163972, 168720, 204965, 245958, 253080, 327944, 368937, 409930, 491916, 506160, 614895, 655888, 737874, 778867, 819860, 983832, 1229790, 1475748, 1516741, 1557734, 1639720, 1844685, 1967664, 2336601, 2459580, 2951496, 3033482, 3115468, 3279440, 3689370, 3894335, 4550223, 4673202, 4919160, 5902992, 6066964, 6230936, 7009803, 7378740, 7583705, 7788670, 9100446, 9346404, 9838320, 11683005, 12133928, 12461872, 13650669, 14019606, 14757480, 15167410, 15577340, 18200892, 18692808, 22751115, 23366010, 24267856, 27301338, 28039212, 28818079, 29514960, 30334820, 31154680, 35049015, 36401784, 37385616, 45502230, 46732020, 54602676, 56078424, 57636158, 60669640, 62309360, 68253345, 70098030, 72803568, 86454237, 91004460, 93464040, 109205352, 112156848, 115272316, 121339280, 136506690, 140196060, 144090395, 172908474, 182008920, 186928080, 218410704, 230544632, 259362711, 273013380, 280392120, 288180790, 345816948, 364017840, 432271185, 461089264, 518725422, 546026760, 560784240, 576361580, 691633896, 864542370, 1037450844, 1092053520, 1152723160, 1296813555, 1383267792, 1729084740, 2074901688, 2305446320, 2593627110, 3458169480, 4149803376, 5187254220, 6916338960, 10374508440, 20749016880]

約数ペア:

[(1, 20749016880), (2, 10374508440), (3, 6916338960), (4, 5187254220), (5, 4149803376), (6, 3458169480), (8, 2593627110), (9, 2305446320), (10, 2074901688), (12, 1729084740), (15, 1383267792), (16, 1296813555), (18, 1152723160), (19, 1092053520), (20, 1037450844), (24, 864542370), (30, 691633896), (36, 576361580), (37, 560784240), (38, 546026760), (40, 518725422), (45, 461089264), (48, 432271185), (57, 364017840), (60, 345816948), (72, 288180790), (74, 280392120), (76, 273013380), (80, 259362711), (90, 230544632), (95, 218410704), (111, 186928080), (114, 182008920), (120, 172908474), (144, 144090395), (148, 140196060), (152, 136506690), (171, 121339280), (180, 115272316), (185, 112156848), (190, 109205352), (222, 93464040), (228, 91004460), (240, 86454237), (285, 72803568), (296, 70098030), (304, 68253345), (333, 62309360), (342, 60669640), (360, 57636158), (370, 56078424), (380, 54602676), (444, 46732020), (456, 45502230), (555, 37385616), (570, 36401784), (592, 35049015), (666, 31154680), (684, 30334820), (703, 29514960), (720, 28818079), (740, 28039212), (760, 27301338), (855, 24267856), (888, 23366010), (912, 22751115), (1110, 18692808), (1140, 18200892), (1332, 15577340), (1368, 15167410), (1406, 14757480), (1480, 14019606), (1520, 13650669), (1665, 12461872), (1710, 12133928), (1776, 11683005), (2109, 9838320), (2220, 9346404), (2280, 9100446), (2664, 7788670), (2736, 7583705), (2812, 7378740), (2960, 7009803), (3330, 6230936), (3420, 6066964), (3515, 5902992), (4218, 4919160), (4440, 4673202), (4560, 4550223), (5328, 3894335), (5624, 3689370), (6327, 3279440), (6660, 3115468), (6840, 3033482), (7030, 2951496), (8436, 2459580), (8880, 2336601), (10545, 1967664), (11248, 1844685), (12654, 1639720), (13320, 1557734), (13680, 1516741), (14060, 1475748), (16872, 1229790), (21090, 983832), (25308, 819860), (26640, 778867), (28120, 737874), (31635, 655888), (33744, 614895), (40993, 506160), (42180, 491916), (50616, 409930), (56240, 368937), (63270, 327944), (81986, 253080), (84360, 245958), (101232, 204965), (122979, 168720), (126540, 163972)]