78797940

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:466

約数の個数: 144

約数和(自身を含む): 252100800

約数和(自身を除く): 173302860

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 19, 20, 26, 30, 38, 39, 52, 57, 60, 65, 76, 78, 95, 114, 130, 156, 169, 190, 195, 228, 247, 260, 285, 338, 380, 390, 409, 494, 507, 570, 676, 741, 780, 818, 845, 988, 1014, 1140, 1227, 1235, 1482, 1636, 1690, 2028, 2045, 2454, 2470, 2535, 2964, 3211, 3380, 3705, 4090, 4908, 4940, 5070, 5317, 6135, 6422, 7410, 7771, 8180, 9633, 10140, 10634, 12270, 12844, 14820, 15542, 15951, 16055, 19266, 21268, 23313, 24540, 26585, 31084, 31902, 32110, 38532, 38855, 46626, 48165, 53170, 63804, 64220, 69121, 77710, 79755, 93252, 96330, 101023, 106340, 116565, 138242, 155420, 159510, 192660, 202046, 207363, 233130, 276484, 303069, 319020, 345605, 404092, 414726, 466260, 505115, 606138, 691210, 829452, 1010230, 1036815, 1212276, 1313299, 1382420, 1515345, 2020460, 2073630, 2626598, 3030690, 3939897, 4147260, 5253196, 6061380, 6566495, 7879794, 13132990, 15759588, 19699485, 26265980, 39398970, 78797940]

約数ペア:

[(1, 78797940), (2, 39398970), (3, 26265980), (4, 19699485), (5, 15759588), (6, 13132990), (10, 7879794), (12, 6566495), (13, 6061380), (15, 5253196), (19, 4147260), (20, 3939897), (26, 3030690), (30, 2626598), (38, 2073630), (39, 2020460), (52, 1515345), (57, 1382420), (60, 1313299), (65, 1212276), (76, 1036815), (78, 1010230), (95, 829452), (114, 691210), (130, 606138), (156, 505115), (169, 466260), (190, 414726), (195, 404092), (228, 345605), (247, 319020), (260, 303069), (285, 276484), (338, 233130), (380, 207363), (390, 202046), (409, 192660), (494, 159510), (507, 155420), (570, 138242), (676, 116565), (741, 106340), (780, 101023), (818, 96330), (845, 93252), (988, 79755), (1014, 77710), (1140, 69121), (1227, 64220), (1235, 63804), (1482, 53170), (1636, 48165), (1690, 46626), (2028, 38855), (2045, 38532), (2454, 32110), (2470, 31902), (2535, 31084), (2964, 26585), (3211, 24540), (3380, 23313), (3705, 21268), (4090, 19266), (4908, 16055), (4940, 15951), (5070, 15542), (5317, 14820), (6135, 12844), (6422, 12270), (7410, 10634), (7771, 10140), (8180, 9633)]