71965980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{4817}}^1$

素因数の和:4915

約数の個数: 72

約数和(自身を含む): 220972752

約数和(自身を除く): 149006772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 83, 90, 166, 180, 249, 332, 415, 498, 747, 830, 996, 1245, 1494, 1660, 2490, 2988, 3735, 4817, 4980, 7470, 9634, 14451, 14940, 19268, 24085, 28902, 43353, 48170, 57804, 72255, 86706, 96340, 144510, 173412, 216765, 289020, 399811, 433530, 799622, 867060, 1199433, 1599244, 1999055, 2398866, 3598299, 3998110, 4797732, 5997165, 7196598, 7996220, 11994330, 14393196, 17991495, 23988660, 35982990, 71965980]

約数ペア:

[(1, 71965980), (2, 35982990), (3, 23988660), (4, 17991495), (5, 14393196), (6, 11994330), (9, 7996220), (10, 7196598), (12, 5997165), (15, 4797732), (18, 3998110), (20, 3598299), (30, 2398866), (36, 1999055), (45, 1599244), (60, 1199433), (83, 867060), (90, 799622), (166, 433530), (180, 399811), (249, 289020), (332, 216765), (415, 173412), (498, 144510), (747, 96340), (830, 86706), (996, 72255), (1245, 57804), (1494, 48170), (1660, 43353), (2490, 28902), (2988, 24085), (3735, 19268), (4817, 14940), (4980, 14451), (7470, 9634)]