21288040680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{439}}^1\times {\mathrm{4001}}^1$

素因数の和:4555

約数の個数: 128

約数和(自身を含む): 64659513600

約数和(自身を除く): 43371472920

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 101, 120, 202, 303, 404, 439, 505, 606, 808, 878, 1010, 1212, 1317, 1515, 1756, 2020, 2195, 2424, 2634, 3030, 3512, 4001, 4040, 4390, 5268, 6060, 6585, 8002, 8780, 10536, 12003, 12120, 13170, 16004, 17560, 20005, 24006, 26340, 32008, 40010, 44339, 48012, 52680, 60015, 80020, 88678, 96024, 120030, 133017, 160040, 177356, 221695, 240060, 266034, 354712, 404101, 443390, 480120, 532068, 665085, 808202, 886780, 1064136, 1212303, 1330170, 1616404, 1756439, 1773560, 2020505, 2424606, 2660340, 3232808, 3512878, 4041010, 4849212, 5269317, 5320680, 6061515, 7025756, 8082020, 8782195, 9698424, 10538634, 12123030, 14051512, 16164040, 17564390, 21077268, 24246060, 26346585, 35128780, 42154536, 48492120, 52693170, 70257560, 105386340, 177400339, 210772680, 354800678, 532201017, 709601356, 887001695, 1064402034, 1419202712, 1774003390, 2128804068, 2661005085, 3548006780, 4257608136, 5322010170, 7096013560, 10644020340, 21288040680]

約数ペア:

[(1, 21288040680), (2, 10644020340), (3, 7096013560), (4, 5322010170), (5, 4257608136), (6, 3548006780), (8, 2661005085), (10, 2128804068), (12, 1774003390), (15, 1419202712), (20, 1064402034), (24, 887001695), (30, 709601356), (40, 532201017), (60, 354800678), (101, 210772680), (120, 177400339), (202, 105386340), (303, 70257560), (404, 52693170), (439, 48492120), (505, 42154536), (606, 35128780), (808, 26346585), (878, 24246060), (1010, 21077268), (1212, 17564390), (1317, 16164040), (1515, 14051512), (1756, 12123030), (2020, 10538634), (2195, 9698424), (2424, 8782195), (2634, 8082020), (3030, 7025756), (3512, 6061515), (4001, 5320680), (4040, 5269317), (4390, 4849212), (5268, 4041010), (6060, 3512878), (6585, 3232808), (8002, 2660340), (8780, 2424606), (10536, 2020505), (12003, 1773560), (12120, 1756439), (13170, 1616404), (16004, 1330170), (17560, 1212303), (20005, 1064136), (24006, 886780), (26340, 808202), (32008, 665085), (40010, 532068), (44339, 480120), (48012, 443390), (52680, 404101), (60015, 354712), (80020, 266034), (88678, 240060), (96024, 221695), (120030, 177356), (133017, 160040)]