16145820

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{4721}}^1$

素因数の和:4755

約数の個数: 72

約数和(自身を含む): 51564240

約数和(自身を除く): 35418420

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, 4721, 9442, 14163, 18884, 23605, 28326, 42489, 47210, 56652, 70815, 84978, 89699, 94420, 141630, 169956, 179398, 212445, 269097, 283260, 358796, 424890, 448495, 538194, 807291, 849780, 896990, 1076388, 1345485, 1614582, 1793980, 2690970, 3229164, 4036455, 5381940, 8072910, 16145820]

約数ペア:

[(1, 16145820), (2, 8072910), (3, 5381940), (4, 4036455), (5, 3229164), (6, 2690970), (9, 1793980), (10, 1614582), (12, 1345485), (15, 1076388), (18, 896990), (19, 849780), (20, 807291), (30, 538194), (36, 448495), (38, 424890), (45, 358796), (57, 283260), (60, 269097), (76, 212445), (90, 179398), (95, 169956), (114, 141630), (171, 94420), (180, 89699), (190, 84978), (228, 70815), (285, 56652), (342, 47210), (380, 42489), (570, 28326), (684, 23605), (855, 18884), (1140, 14163), (1710, 9442), (3420, 4721)]