721085652

素因数分解:

$2^2\times 3^4\times 7^1\times {\mathrm{349}}^1\times {\mathrm{911}}^1$

素因数の和:1283

約数の個数: 120

約数和(自身を含む): 2162899200

約数和(自身を除く): 1441813548

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 81, 84, 108, 126, 162, 189, 252, 324, 349, 378, 567, 698, 756, 911, 1047, 1134, 1396, 1822, 2094, 2268, 2443, 2733, 3141, 3644, 4188, 4886, 5466, 6282, 6377, 7329, 8199, 9423, 9772, 10932, 12564, 12754, 14658, 16398, 18846, 19131, 21987, 24597, 25508, 28269, 29316, 32796, 37692, 38262, 43974, 49194, 56538, 57393, 65961, 73791, 76524, 87948, 98388, 113076, 114786, 131922, 147582, 172179, 197883, 229572, 263844, 295164, 317939, 344358, 395766, 516537, 635878, 688716, 791532, 953817, 1033074, 1271756, 1907634, 2066148, 2225573, 2861451, 3815268, 4451146, 5722902, 6676719, 8584353, 8902292, 11445804, 13353438, 17168706, 20030157, 25753059, 26706876, 34337412, 40060314, 51506118, 60090471, 80120628, 103012236, 120180942, 180271413, 240361884, 360542826, 721085652]

約数ペア:

[(1, 721085652), (2, 360542826), (3, 240361884), (4, 180271413), (6, 120180942), (7, 103012236), (9, 80120628), (12, 60090471), (14, 51506118), (18, 40060314), (21, 34337412), (27, 26706876), (28, 25753059), (36, 20030157), (42, 17168706), (54, 13353438), (63, 11445804), (81, 8902292), (84, 8584353), (108, 6676719), (126, 5722902), (162, 4451146), (189, 3815268), (252, 2861451), (324, 2225573), (349, 2066148), (378, 1907634), (567, 1271756), (698, 1033074), (756, 953817), (911, 791532), (1047, 688716), (1134, 635878), (1396, 516537), (1822, 395766), (2094, 344358), (2268, 317939), (2443, 295164), (2733, 263844), (3141, 229572), (3644, 197883), (4188, 172179), (4886, 147582), (5466, 131922), (6282, 114786), (6377, 113076), (7329, 98388), (8199, 87948), (9423, 76524), (9772, 73791), (10932, 65961), (12564, 57393), (12754, 56538), (14658, 49194), (16398, 43974), (18846, 38262), (19131, 37692), (21987, 32796), (24597, 29316), (25508, 28269)]