28805795820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{5162329}}^1$

素因数の和:5162375

約数の個数: 72

約数和(自身を含む): 90196229760

約数和(自身を除く): 61390433940

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 90, 93, 124, 155, 180, 186, 279, 310, 372, 465, 558, 620, 930, 1116, 1395, 1860, 2790, 5580, 5162329, 10324658, 15486987, 20649316, 25811645, 30973974, 46460961, 51623290, 61947948, 77434935, 92921922, 103246580, 154869870, 160032199, 185843844, 232304805, 309739740, 320064398, 464609610, 480096597, 640128796, 800160995, 929219220, 960193194, 1440289791, 1600321990, 1920386388, 2400482985, 2880579582, 3200643980, 4800965970, 5761159164, 7201448955, 9601931940, 14402897910, 28805795820]

約数ペア:

[(1, 28805795820), (2, 14402897910), (3, 9601931940), (4, 7201448955), (5, 5761159164), (6, 4800965970), (9, 3200643980), (10, 2880579582), (12, 2400482985), (15, 1920386388), (18, 1600321990), (20, 1440289791), (30, 960193194), (31, 929219220), (36, 800160995), (45, 640128796), (60, 480096597), (62, 464609610), (90, 320064398), (93, 309739740), (124, 232304805), (155, 185843844), (180, 160032199), (186, 154869870), (279, 103246580), (310, 92921922), (372, 77434935), (465, 61947948), (558, 51623290), (620, 46460961), (930, 30973974), (1116, 25811645), (1395, 20649316), (1860, 15486987), (2790, 10324658), (5580, 5162329)]