720334540

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{241}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 1646568000

約数和(自身を除く): 926233460

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 59, 68, 85, 118, 149, 170, 236, 241, 295, 298, 340, 482, 590, 596, 745, 964, 1003, 1180, 1205, 1490, 2006, 2410, 2533, 2980, 4012, 4097, 4820, 5015, 5066, 8194, 8791, 10030, 10132, 12665, 14219, 16388, 17582, 20060, 20485, 25330, 28438, 35164, 35909, 40970, 43955, 50660, 56876, 71095, 71818, 81940, 87910, 142190, 143636, 149447, 175820, 179545, 241723, 284380, 298894, 359090, 483446, 597788, 610453, 718180, 747235, 966892, 1208615, 1220906, 1494470, 2118631, 2417230, 2441812, 2988940, 3052265, 4237262, 4834460, 6104530, 8474524, 10593155, 12209060, 21186310, 36016727, 42372620, 72033454, 144066908, 180083635, 360167270, 720334540]

約数ペア:

[(1, 720334540), (2, 360167270), (4, 180083635), (5, 144066908), (10, 72033454), (17, 42372620), (20, 36016727), (34, 21186310), (59, 12209060), (68, 10593155), (85, 8474524), (118, 6104530), (149, 4834460), (170, 4237262), (236, 3052265), (241, 2988940), (295, 2441812), (298, 2417230), (340, 2118631), (482, 1494470), (590, 1220906), (596, 1208615), (745, 966892), (964, 747235), (1003, 718180), (1180, 610453), (1205, 597788), (1490, 483446), (2006, 359090), (2410, 298894), (2533, 284380), (2980, 241723), (4012, 179545), (4097, 175820), (4820, 149447), (5015, 143636), (5066, 142190), (8194, 87910), (8791, 81940), (10030, 71818), (10132, 71095), (12665, 56876), (14219, 50660), (16388, 43955), (17582, 40970), (20060, 35909), (20485, 35164), (25330, 28438)]