72165420

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{21101}}^1$

素因数の和:21135

約数の個数: 72

約数和(自身を含む): 230433840

約数和(自身を除く): 158268420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 19, 20, 30, 36, 38, 45, 57, 60, 76, 90, 95, 114, 171, 180, 190, 228, 285, 342, 380, 570, 684, 855, 1140, 1710, 3420, 21101, 42202, 63303, 84404, 105505, 126606, 189909, 211010, 253212, 316515, 379818, 400919, 422020, 633030, 759636, 801838, 949545, 1202757, 1266060, 1603676, 1899090, 2004595, 2405514, 3608271, 3798180, 4009190, 4811028, 6013785, 7216542, 8018380, 12027570, 14433084, 18041355, 24055140, 36082710, 72165420]

約数ペア:

[(1, 72165420), (2, 36082710), (3, 24055140), (4, 18041355), (5, 14433084), (6, 12027570), (9, 8018380), (10, 7216542), (12, 6013785), (15, 4811028), (18, 4009190), (19, 3798180), (20, 3608271), (30, 2405514), (36, 2004595), (38, 1899090), (45, 1603676), (57, 1266060), (60, 1202757), (76, 949545), (90, 801838), (95, 759636), (114, 633030), (171, 422020), (180, 400919), (190, 379818), (228, 316515), (285, 253212), (342, 211010), (380, 189909), (570, 126606), (684, 105505), (855, 84404), (1140, 63303), (1710, 42202), (3420, 21101)]