28556010

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{521}}^1$

素因数の和:573

約数の個数: 128

約数和(自身を含む): 90201600

約数和(自身を除く): 61645590

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 29, 30, 35, 42, 45, 54, 58, 63, 70, 87, 90, 105, 126, 135, 145, 174, 189, 203, 210, 261, 270, 290, 315, 378, 406, 435, 521, 522, 609, 630, 783, 870, 945, 1015, 1042, 1218, 1305, 1563, 1566, 1827, 1890, 2030, 2605, 2610, 3045, 3126, 3647, 3654, 3915, 4689, 5210, 5481, 6090, 7294, 7815, 7830, 9135, 9378, 10941, 10962, 14067, 15109, 15630, 18235, 18270, 21882, 23445, 27405, 28134, 30218, 32823, 36470, 45327, 46890, 54705, 54810, 65646, 70335, 75545, 90654, 98469, 105763, 109410, 135981, 140670, 151090, 164115, 196938, 211526, 226635, 271962, 317289, 328230, 407943, 453270, 492345, 528815, 634578, 679905, 815886, 951867, 984690, 1057630, 1359810, 1586445, 1903734, 2039715, 2855601, 3172890, 4079430, 4759335, 5711202, 9518670, 14278005, 28556010]

約数ペア:

[(1, 28556010), (2, 14278005), (3, 9518670), (5, 5711202), (6, 4759335), (7, 4079430), (9, 3172890), (10, 2855601), (14, 2039715), (15, 1903734), (18, 1586445), (21, 1359810), (27, 1057630), (29, 984690), (30, 951867), (35, 815886), (42, 679905), (45, 634578), (54, 528815), (58, 492345), (63, 453270), (70, 407943), (87, 328230), (90, 317289), (105, 271962), (126, 226635), (135, 211526), (145, 196938), (174, 164115), (189, 151090), (203, 140670), (210, 135981), (261, 109410), (270, 105763), (290, 98469), (315, 90654), (378, 75545), (406, 70335), (435, 65646), (521, 54810), (522, 54705), (609, 46890), (630, 45327), (783, 36470), (870, 32823), (945, 30218), (1015, 28134), (1042, 27405), (1218, 23445), (1305, 21882), (1563, 18270), (1566, 18235), (1827, 15630), (1890, 15109), (2030, 14067), (2605, 10962), (2610, 10941), (3045, 9378), (3126, 9135), (3647, 7830), (3654, 7815), (3915, 7294), (4689, 6090), (5210, 5481)]