28917240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{1153}}^1$

素因数の和:1197

約数の個数: 128

約数和(自身を含む): 99705600

約数和(自身を除く): 70788360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 19, 20, 22, 24, 30, 33, 38, 40, 44, 55, 57, 60, 66, 76, 88, 95, 110, 114, 120, 132, 152, 165, 190, 209, 220, 228, 264, 285, 330, 380, 418, 440, 456, 570, 627, 660, 760, 836, 1045, 1140, 1153, 1254, 1320, 1672, 2090, 2280, 2306, 2508, 3135, 3459, 4180, 4612, 5016, 5765, 6270, 6918, 8360, 9224, 11530, 12540, 12683, 13836, 17295, 21907, 23060, 25080, 25366, 27672, 34590, 38049, 43814, 46120, 50732, 63415, 65721, 69180, 76098, 87628, 101464, 109535, 126830, 131442, 138360, 152196, 175256, 190245, 219070, 240977, 253660, 262884, 304392, 328605, 380490, 438140, 481954, 507320, 525768, 657210, 722931, 760980, 876280, 963908, 1204885, 1314420, 1445862, 1521960, 1927816, 2409770, 2628840, 2891724, 3614655, 4819540, 5783448, 7229310, 9639080, 14458620, 28917240]

約数ペア:

[(1, 28917240), (2, 14458620), (3, 9639080), (4, 7229310), (5, 5783448), (6, 4819540), (8, 3614655), (10, 2891724), (11, 2628840), (12, 2409770), (15, 1927816), (19, 1521960), (20, 1445862), (22, 1314420), (24, 1204885), (30, 963908), (33, 876280), (38, 760980), (40, 722931), (44, 657210), (55, 525768), (57, 507320), (60, 481954), (66, 438140), (76, 380490), (88, 328605), (95, 304392), (110, 262884), (114, 253660), (120, 240977), (132, 219070), (152, 190245), (165, 175256), (190, 152196), (209, 138360), (220, 131442), (228, 126830), (264, 109535), (285, 101464), (330, 87628), (380, 76098), (418, 69180), (440, 65721), (456, 63415), (570, 50732), (627, 46120), (660, 43814), (760, 38049), (836, 34590), (1045, 27672), (1140, 25366), (1153, 25080), (1254, 23060), (1320, 21907), (1672, 17295), (2090, 13836), (2280, 12683), (2306, 12540), (2508, 11530), (3135, 9224), (3459, 8360), (4180, 6918), (4612, 6270), (5016, 5765)]