8020740

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{113}}^1$

素因数の和:158

約数の個数: 144

約数和(自身を含む): 28038528

約数和(自身を除く): 20017788

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 13, 14, 15, 20, 21, 26, 28, 30, 35, 39, 42, 52, 60, 65, 70, 78, 84, 91, 105, 113, 130, 140, 156, 169, 182, 195, 210, 226, 260, 273, 338, 339, 364, 390, 420, 452, 455, 507, 546, 565, 676, 678, 780, 791, 845, 910, 1014, 1092, 1130, 1183, 1356, 1365, 1469, 1582, 1690, 1695, 1820, 2028, 2260, 2366, 2373, 2535, 2730, 2938, 3164, 3380, 3390, 3549, 3955, 4407, 4732, 4746, 5070, 5460, 5876, 5915, 6780, 7098, 7345, 7910, 8814, 9492, 10140, 10283, 11830, 11865, 14196, 14690, 15820, 17628, 17745, 19097, 20566, 22035, 23660, 23730, 29380, 30849, 35490, 38194, 41132, 44070, 47460, 51415, 57291, 61698, 70980, 76388, 88140, 95485, 102830, 114582, 123396, 133679, 154245, 190970, 205660, 229164, 267358, 286455, 308490, 381940, 401037, 534716, 572910, 616980, 668395, 802074, 1145820, 1336790, 1604148, 2005185, 2673580, 4010370, 8020740]

約数ペア:

[(1, 8020740), (2, 4010370), (3, 2673580), (4, 2005185), (5, 1604148), (6, 1336790), (7, 1145820), (10, 802074), (12, 668395), (13, 616980), (14, 572910), (15, 534716), (20, 401037), (21, 381940), (26, 308490), (28, 286455), (30, 267358), (35, 229164), (39, 205660), (42, 190970), (52, 154245), (60, 133679), (65, 123396), (70, 114582), (78, 102830), (84, 95485), (91, 88140), (105, 76388), (113, 70980), (130, 61698), (140, 57291), (156, 51415), (169, 47460), (182, 44070), (195, 41132), (210, 38194), (226, 35490), (260, 30849), (273, 29380), (338, 23730), (339, 23660), (364, 22035), (390, 20566), (420, 19097), (452, 17745), (455, 17628), (507, 15820), (546, 14690), (565, 14196), (676, 11865), (678, 11830), (780, 10283), (791, 10140), (845, 9492), (910, 8814), (1014, 7910), (1092, 7345), (1130, 7098), (1183, 6780), (1356, 5915), (1365, 5876), (1469, 5460), (1582, 5070), (1690, 4746), (1695, 4732), (1820, 4407), (2028, 3955), (2260, 3549), (2366, 3390), (2373, 3380), (2535, 3164), (2730, 2938)]