157400820

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:396

約数の個数: 144

約数和(自身を含む): 500834880

約数和(自身を除く): 343434060

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, 139, 162, 180, 233, 243, 270, 278, 324, 405, 417, 466, 486, 540, 556, 695, 699, 810, 834, 932, 972, 1165, 1215, 1251, 1390, 1398, 1620, 1668, 2085, 2097, 2330, 2430, 2502, 2780, 2796, 3495, 3753, 4170, 4194, 4660, 4860, 5004, 6255, 6291, 6990, 7506, 8340, 8388, 10485, 11259, 12510, 12582, 13980, 15012, 18765, 18873, 20970, 22518, 25020, 25164, 31455, 32387, 33777, 37530, 37746, 41940, 45036, 56295, 56619, 62910, 64774, 67554, 75060, 75492, 94365, 97161, 112590, 113238, 125820, 129548, 135108, 161935, 168885, 188730, 194322, 225180, 226476, 283095, 291483, 323870, 337770, 377460, 388644, 485805, 566190, 582966, 647740, 675540, 874449, 971610, 1132380, 1165932, 1457415, 1748898, 1943220, 2623347, 2914830, 3497796, 4372245, 5246694, 5829660, 7870041, 8744490, 10493388, 13116735, 15740082, 17488980, 26233470, 31480164, 39350205, 52466940, 78700410, 157400820]

約数ペア:

[(1, 157400820), (2, 78700410), (3, 52466940), (4, 39350205), (5, 31480164), (6, 26233470), (9, 17488980), (10, 15740082), (12, 13116735), (15, 10493388), (18, 8744490), (20, 7870041), (27, 5829660), (30, 5246694), (36, 4372245), (45, 3497796), (54, 2914830), (60, 2623347), (81, 1943220), (90, 1748898), (108, 1457415), (135, 1165932), (139, 1132380), (162, 971610), (180, 874449), (233, 675540), (243, 647740), (270, 582966), (278, 566190), (324, 485805), (405, 388644), (417, 377460), (466, 337770), (486, 323870), (540, 291483), (556, 283095), (695, 226476), (699, 225180), (810, 194322), (834, 188730), (932, 168885), (972, 161935), (1165, 135108), (1215, 129548), (1251, 125820), (1390, 113238), (1398, 112590), (1620, 97161), (1668, 94365), (2085, 75492), (2097, 75060), (2330, 67554), (2430, 64774), (2502, 62910), (2780, 56619), (2796, 56295), (3495, 45036), (3753, 41940), (4170, 37746), (4194, 37530), (4660, 33777), (4860, 32387), (5004, 31455), (6255, 25164), (6291, 25020), (6990, 22518), (7506, 20970), (8340, 18873), (8388, 18765), (10485, 15012), (11259, 13980), (12510, 12582)]