1340319720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{571}}^1\times {\mathrm{631}}^1$

素因数の和:1247

約数の個数: 128

約数和(自身を含む): 4164526080

約数和(自身を除く): 2824206360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 31, 40, 60, 62, 93, 120, 124, 155, 186, 248, 310, 372, 465, 571, 620, 631, 744, 930, 1142, 1240, 1262, 1713, 1860, 1893, 2284, 2524, 2855, 3155, 3426, 3720, 3786, 4568, 5048, 5710, 6310, 6852, 7572, 8565, 9465, 11420, 12620, 13704, 15144, 17130, 17701, 18930, 19561, 22840, 25240, 34260, 35402, 37860, 39122, 53103, 58683, 68520, 70804, 75720, 78244, 88505, 97805, 106206, 117366, 141608, 156488, 177010, 195610, 212412, 234732, 265515, 293415, 354020, 360301, 391220, 424824, 469464, 531030, 586830, 708040, 720602, 782440, 1062060, 1080903, 1173660, 1441204, 1801505, 2124120, 2161806, 2347320, 2882408, 3603010, 4323612, 5404515, 7206020, 8647224, 10809030, 11169331, 14412040, 21618060, 22338662, 33507993, 43236120, 44677324, 55846655, 67015986, 89354648, 111693310, 134031972, 167539965, 223386620, 268063944, 335079930, 446773240, 670159860, 1340319720]

約数ペア:

[(1, 1340319720), (2, 670159860), (3, 446773240), (4, 335079930), (5, 268063944), (6, 223386620), (8, 167539965), (10, 134031972), (12, 111693310), (15, 89354648), (20, 67015986), (24, 55846655), (30, 44677324), (31, 43236120), (40, 33507993), (60, 22338662), (62, 21618060), (93, 14412040), (120, 11169331), (124, 10809030), (155, 8647224), (186, 7206020), (248, 5404515), (310, 4323612), (372, 3603010), (465, 2882408), (571, 2347320), (620, 2161806), (631, 2124120), (744, 1801505), (930, 1441204), (1142, 1173660), (1240, 1080903), (1262, 1062060), (1713, 782440), (1860, 720602), (1893, 708040), (2284, 586830), (2524, 531030), (2855, 469464), (3155, 424824), (3426, 391220), (3720, 360301), (3786, 354020), (4568, 293415), (5048, 265515), (5710, 234732), (6310, 212412), (6852, 195610), (7572, 177010), (8565, 156488), (9465, 141608), (11420, 117366), (12620, 106206), (13704, 97805), (15144, 88505), (17130, 78244), (17701, 75720), (18930, 70804), (19561, 68520), (22840, 58683), (25240, 53103), (34260, 39122), (35402, 37860)]