15211020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1213}}^1$

素因数の和:1255

約数の個数: 96

約数和(自身を含む): 48948480

約数和(自身を除く): 33737460

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 19, 20, 22, 30, 33, 38, 44, 55, 57, 60, 66, 76, 95, 110, 114, 132, 165, 190, 209, 220, 228, 285, 330, 380, 418, 570, 627, 660, 836, 1045, 1140, 1213, 1254, 2090, 2426, 2508, 3135, 3639, 4180, 4852, 6065, 6270, 7278, 12130, 12540, 13343, 14556, 18195, 23047, 24260, 26686, 36390, 40029, 46094, 53372, 66715, 69141, 72780, 80058, 92188, 115235, 133430, 138282, 160116, 200145, 230470, 253517, 266860, 276564, 345705, 400290, 460940, 507034, 691410, 760551, 800580, 1014068, 1267585, 1382820, 1521102, 2535170, 3042204, 3802755, 5070340, 7605510, 15211020]

約数ペア:

[(1, 15211020), (2, 7605510), (3, 5070340), (4, 3802755), (5, 3042204), (6, 2535170), (10, 1521102), (11, 1382820), (12, 1267585), (15, 1014068), (19, 800580), (20, 760551), (22, 691410), (30, 507034), (33, 460940), (38, 400290), (44, 345705), (55, 276564), (57, 266860), (60, 253517), (66, 230470), (76, 200145), (95, 160116), (110, 138282), (114, 133430), (132, 115235), (165, 92188), (190, 80058), (209, 72780), (220, 69141), (228, 66715), (285, 53372), (330, 46094), (380, 40029), (418, 36390), (570, 26686), (627, 24260), (660, 23047), (836, 18195), (1045, 14556), (1140, 13343), (1213, 12540), (1254, 12130), (2090, 7278), (2426, 6270), (2508, 6065), (3135, 4852), (3639, 4180)]