421185180

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{569}}^1$

素因数の和:680

約数の個数: 144

約数和(自身を含む): 1296781920

約数和(自身を除く): 875596740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 73, 78, 130, 146, 156, 169, 195, 219, 260, 292, 338, 365, 390, 438, 507, 569, 676, 730, 780, 845, 876, 949, 1014, 1095, 1138, 1460, 1690, 1707, 1898, 2028, 2190, 2276, 2535, 2845, 2847, 3380, 3414, 3796, 4380, 4745, 5070, 5690, 5694, 6828, 7397, 8535, 9490, 10140, 11380, 11388, 12337, 14235, 14794, 17070, 18980, 22191, 24674, 28470, 29588, 34140, 36985, 37011, 41537, 44382, 49348, 56940, 61685, 73970, 74022, 83074, 88764, 96161, 110955, 123370, 124611, 147940, 148044, 166148, 185055, 192322, 207685, 221910, 246740, 249222, 288483, 370110, 384644, 415370, 443820, 480805, 498444, 539981, 576966, 623055, 740220, 830740, 961610, 1079962, 1153932, 1246110, 1442415, 1619943, 1923220, 2159924, 2492220, 2699905, 2884830, 3239886, 5399810, 5769660, 6479772, 7019753, 8099715, 10799620, 14039506, 16199430, 21059259, 28079012, 32398860, 35098765, 42118518, 70197530, 84237036, 105296295, 140395060, 210592590, 421185180]

約数ペア:

[(1, 421185180), (2, 210592590), (3, 140395060), (4, 105296295), (5, 84237036), (6, 70197530), (10, 42118518), (12, 35098765), (13, 32398860), (15, 28079012), (20, 21059259), (26, 16199430), (30, 14039506), (39, 10799620), (52, 8099715), (60, 7019753), (65, 6479772), (73, 5769660), (78, 5399810), (130, 3239886), (146, 2884830), (156, 2699905), (169, 2492220), (195, 2159924), (219, 1923220), (260, 1619943), (292, 1442415), (338, 1246110), (365, 1153932), (390, 1079962), (438, 961610), (507, 830740), (569, 740220), (676, 623055), (730, 576966), (780, 539981), (845, 498444), (876, 480805), (949, 443820), (1014, 415370), (1095, 384644), (1138, 370110), (1460, 288483), (1690, 249222), (1707, 246740), (1898, 221910), (2028, 207685), (2190, 192322), (2276, 185055), (2535, 166148), (2845, 148044), (2847, 147940), (3380, 124611), (3414, 123370), (3796, 110955), (4380, 96161), (4745, 88764), (5070, 83074), (5690, 74022), (5694, 73970), (6828, 61685), (7397, 56940), (8535, 49348), (9490, 44382), (10140, 41537), (11380, 37011), (11388, 36985), (12337, 34140), (14235, 29588), (14794, 28470), (17070, 24674), (18980, 22191)]