80313660

素因数分解:

$2^2\times 3^3\times 5^1\times 7^1\times {\mathrm{21247}}^1$

素因数の和:21272

約数の個数: 96

約数和(自身を含む): 285573120

約数和(自身を除く): 205259460

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 84, 90, 105, 108, 126, 135, 140, 180, 189, 210, 252, 270, 315, 378, 420, 540, 630, 756, 945, 1260, 1890, 3780, 21247, 42494, 63741, 84988, 106235, 127482, 148729, 191223, 212470, 254964, 297458, 318705, 382446, 424940, 446187, 573669, 594916, 637410, 743645, 764892, 892374, 956115, 1147338, 1274820, 1338561, 1487290, 1784748, 1912230, 2230935, 2294676, 2677122, 2868345, 2974580, 3824460, 4015683, 4461870, 5354244, 5736690, 6692805, 8031366, 8923740, 11473380, 13385610, 16062732, 20078415, 26771220, 40156830, 80313660]

約数ペア:

[(1, 80313660), (2, 40156830), (3, 26771220), (4, 20078415), (5, 16062732), (6, 13385610), (7, 11473380), (9, 8923740), (10, 8031366), (12, 6692805), (14, 5736690), (15, 5354244), (18, 4461870), (20, 4015683), (21, 3824460), (27, 2974580), (28, 2868345), (30, 2677122), (35, 2294676), (36, 2230935), (42, 1912230), (45, 1784748), (54, 1487290), (60, 1338561), (63, 1274820), (70, 1147338), (84, 956115), (90, 892374), (105, 764892), (108, 743645), (126, 637410), (135, 594916), (140, 573669), (180, 446187), (189, 424940), (210, 382446), (252, 318705), (270, 297458), (315, 254964), (378, 212470), (420, 191223), (540, 148729), (630, 127482), (756, 106235), (945, 84988), (1260, 63741), (1890, 42494), (3780, 21247)]