28733670

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{661}}^1$

素因数の和:707

約数の個数: 128

約数和(自身を含む): 91514880

約数和(自身を除く): 62781210

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 23, 27, 30, 35, 42, 45, 46, 54, 63, 69, 70, 90, 105, 115, 126, 135, 138, 161, 189, 207, 210, 230, 270, 315, 322, 345, 378, 414, 483, 621, 630, 661, 690, 805, 945, 966, 1035, 1242, 1322, 1449, 1610, 1890, 1983, 2070, 2415, 2898, 3105, 3305, 3966, 4347, 4627, 4830, 5949, 6210, 6610, 7245, 8694, 9254, 9915, 11898, 13881, 14490, 15203, 17847, 19830, 21735, 23135, 27762, 29745, 30406, 35694, 41643, 43470, 45609, 46270, 59490, 69405, 76015, 83286, 89235, 91218, 106421, 124929, 136827, 138810, 152030, 178470, 208215, 212842, 228045, 249858, 273654, 319263, 410481, 416430, 456090, 532105, 624645, 638526, 684135, 820962, 957789, 1064210, 1249290, 1368270, 1596315, 1915578, 2052405, 2873367, 3192630, 4104810, 4788945, 5746734, 9577890, 14366835, 28733670]

約数ペア:

[(1, 28733670), (2, 14366835), (3, 9577890), (5, 5746734), (6, 4788945), (7, 4104810), (9, 3192630), (10, 2873367), (14, 2052405), (15, 1915578), (18, 1596315), (21, 1368270), (23, 1249290), (27, 1064210), (30, 957789), (35, 820962), (42, 684135), (45, 638526), (46, 624645), (54, 532105), (63, 456090), (69, 416430), (70, 410481), (90, 319263), (105, 273654), (115, 249858), (126, 228045), (135, 212842), (138, 208215), (161, 178470), (189, 152030), (207, 138810), (210, 136827), (230, 124929), (270, 106421), (315, 91218), (322, 89235), (345, 83286), (378, 76015), (414, 69405), (483, 59490), (621, 46270), (630, 45609), (661, 43470), (690, 41643), (805, 35694), (945, 30406), (966, 29745), (1035, 27762), (1242, 23135), (1322, 21735), (1449, 19830), (1610, 17847), (1890, 15203), (1983, 14490), (2070, 13881), (2415, 11898), (2898, 9915), (3105, 9254), (3305, 8694), (3966, 7245), (4347, 6610), (4627, 6210), (4830, 5949)]