1405123860

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{1217}}^1\times {\mathrm{2749}}^1$

素因数の和:3985

約数の個数: 96

約数和(自身を含む): 4501728000

約数和(自身を除く): 3096604140

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 1217, 2434, 2749, 3651, 4868, 5498, 6085, 7302, 8247, 8519, 10996, 12170, 13745, 14604, 16494, 17038, 18255, 19243, 24340, 25557, 27490, 32988, 34076, 36510, 38486, 41235, 42595, 51114, 54980, 57729, 73020, 76972, 82470, 85190, 96215, 102228, 115458, 127785, 164940, 170380, 192430, 230916, 255570, 288645, 384860, 511140, 577290, 1154580, 3345533, 6691066, 10036599, 13382132, 16727665, 20073198, 23418731, 33455330, 40146396, 46837462, 50182995, 66910660, 70256193, 93674924, 100365990, 117093655, 140512386, 200731980, 234187310, 281024772, 351280965, 468374620, 702561930, 1405123860]

約数ペア:

[(1, 1405123860), (2, 702561930), (3, 468374620), (4, 351280965), (5, 281024772), (6, 234187310), (7, 200731980), (10, 140512386), (12, 117093655), (14, 100365990), (15, 93674924), (20, 70256193), (21, 66910660), (28, 50182995), (30, 46837462), (35, 40146396), (42, 33455330), (60, 23418731), (70, 20073198), (84, 16727665), (105, 13382132), (140, 10036599), (210, 6691066), (420, 3345533), (1217, 1154580), (2434, 577290), (2749, 511140), (3651, 384860), (4868, 288645), (5498, 255570), (6085, 230916), (7302, 192430), (8247, 170380), (8519, 164940), (10996, 127785), (12170, 115458), (13745, 102228), (14604, 96215), (16494, 85190), (17038, 82470), (18255, 76972), (19243, 73020), (24340, 57729), (25557, 54980), (27490, 51114), (32988, 42595), (34076, 41235), (36510, 38486)]