204526620

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{191}}^1\times {\mathrm{661}}^1$

素因数の和:873

約数の個数: 120

約数和(自身を含む): 645942528

約数和(自身を除く): 441415908

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 191, 270, 324, 382, 405, 540, 573, 661, 764, 810, 955, 1146, 1322, 1620, 1719, 1910, 1983, 2292, 2644, 2865, 3305, 3438, 3820, 3966, 5157, 5730, 5949, 6610, 6876, 7932, 8595, 9915, 10314, 11460, 11898, 13220, 15471, 17190, 17847, 19830, 20628, 23796, 25785, 29745, 30942, 34380, 35694, 39660, 51570, 53541, 59490, 61884, 71388, 77355, 89235, 103140, 107082, 118980, 126251, 154710, 178470, 214164, 252502, 267705, 309420, 356940, 378753, 505004, 535410, 631255, 757506, 1070820, 1136259, 1262510, 1515012, 1893765, 2272518, 2525020, 3408777, 3787530, 4545036, 5681295, 6817554, 7575060, 10226331, 11362590, 13635108, 17043885, 20452662, 22725180, 34087770, 40905324, 51131655, 68175540, 102263310, 204526620]

約数ペア:

[(1, 204526620), (2, 102263310), (3, 68175540), (4, 51131655), (5, 40905324), (6, 34087770), (9, 22725180), (10, 20452662), (12, 17043885), (15, 13635108), (18, 11362590), (20, 10226331), (27, 7575060), (30, 6817554), (36, 5681295), (45, 4545036), (54, 3787530), (60, 3408777), (81, 2525020), (90, 2272518), (108, 1893765), (135, 1515012), (162, 1262510), (180, 1136259), (191, 1070820), (270, 757506), (324, 631255), (382, 535410), (405, 505004), (540, 378753), (573, 356940), (661, 309420), (764, 267705), (810, 252502), (955, 214164), (1146, 178470), (1322, 154710), (1620, 126251), (1719, 118980), (1910, 107082), (1983, 103140), (2292, 89235), (2644, 77355), (2865, 71388), (3305, 61884), (3438, 59490), (3820, 53541), (3966, 51570), (5157, 39660), (5730, 35694), (5949, 34380), (6610, 30942), (6876, 29745), (7932, 25785), (8595, 23796), (9915, 20628), (10314, 19830), (11460, 17847), (11898, 17190), (13220, 15471)]