28107090

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:153

約数の個数: 144

約数和(自身を含む): 84029400

約数和(自身を除く): 55922310

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 29, 30, 33, 45, 55, 58, 66, 87, 89, 90, 99, 110, 121, 145, 165, 174, 178, 198, 242, 261, 267, 290, 319, 330, 363, 435, 445, 495, 522, 534, 605, 638, 726, 801, 870, 890, 957, 979, 990, 1089, 1210, 1305, 1335, 1595, 1602, 1815, 1914, 1958, 2178, 2581, 2610, 2670, 2871, 2937, 3190, 3509, 3630, 4005, 4785, 4895, 5162, 5445, 5742, 5874, 7018, 7743, 8010, 8811, 9570, 9790, 10527, 10769, 10890, 12905, 14355, 14685, 15486, 17545, 17622, 21054, 21538, 23229, 25810, 28391, 28710, 29370, 31581, 32307, 35090, 38715, 44055, 46458, 52635, 53845, 56782, 63162, 64614, 77430, 85173, 88110, 96921, 105270, 107690, 116145, 141955, 157905, 161535, 170346, 193842, 232290, 255519, 283910, 312301, 315810, 323070, 425865, 484605, 511038, 624602, 851730, 936903, 969210, 1277595, 1561505, 1873806, 2555190, 2810709, 3123010, 4684515, 5621418, 9369030, 14053545, 28107090]

約数ペア:

[(1, 28107090), (2, 14053545), (3, 9369030), (5, 5621418), (6, 4684515), (9, 3123010), (10, 2810709), (11, 2555190), (15, 1873806), (18, 1561505), (22, 1277595), (29, 969210), (30, 936903), (33, 851730), (45, 624602), (55, 511038), (58, 484605), (66, 425865), (87, 323070), (89, 315810), (90, 312301), (99, 283910), (110, 255519), (121, 232290), (145, 193842), (165, 170346), (174, 161535), (178, 157905), (198, 141955), (242, 116145), (261, 107690), (267, 105270), (290, 96921), (319, 88110), (330, 85173), (363, 77430), (435, 64614), (445, 63162), (495, 56782), (522, 53845), (534, 52635), (605, 46458), (638, 44055), (726, 38715), (801, 35090), (870, 32307), (890, 31581), (957, 29370), (979, 28710), (990, 28391), (1089, 25810), (1210, 23229), (1305, 21538), (1335, 21054), (1595, 17622), (1602, 17545), (1815, 15486), (1914, 14685), (1958, 14355), (2178, 12905), (2581, 10890), (2610, 10769), (2670, 10527), (2871, 9790), (2937, 9570), (3190, 8811), (3509, 8010), (3630, 7743), (4005, 7018), (4785, 5874), (4895, 5742), (5162, 5445)]