28385910

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{653}}^1$

素因数の和:699

約数の個数: 128

約数和(自身を含む): 90408960

約数和(自身を除く): 62023050

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, 653, 690, 805, 945, 966, 1035, 1242, 1306, 1449, 1610, 1890, 1959, 2070, 2415, 2898, 3105, 3265, 3918, 4347, 4571, 4830, 5877, 6210, 6530, 7245, 8694, 9142, 9795, 11754, 13713, 14490, 15019, 17631, 19590, 21735, 22855, 27426, 29385, 30038, 35262, 41139, 43470, 45057, 45710, 58770, 68565, 75095, 82278, 88155, 90114, 105133, 123417, 135171, 137130, 150190, 176310, 205695, 210266, 225285, 246834, 270342, 315399, 405513, 411390, 450570, 525665, 617085, 630798, 675855, 811026, 946197, 1051330, 1234170, 1351710, 1576995, 1892394, 2027565, 2838591, 3153990, 4055130, 4730985, 5677182, 9461970, 14192955, 28385910]

約数ペア:

[(1, 28385910), (2, 14192955), (3, 9461970), (5, 5677182), (6, 4730985), (7, 4055130), (9, 3153990), (10, 2838591), (14, 2027565), (15, 1892394), (18, 1576995), (21, 1351710), (23, 1234170), (27, 1051330), (30, 946197), (35, 811026), (42, 675855), (45, 630798), (46, 617085), (54, 525665), (63, 450570), (69, 411390), (70, 405513), (90, 315399), (105, 270342), (115, 246834), (126, 225285), (135, 210266), (138, 205695), (161, 176310), (189, 150190), (207, 137130), (210, 135171), (230, 123417), (270, 105133), (315, 90114), (322, 88155), (345, 82278), (378, 75095), (414, 68565), (483, 58770), (621, 45710), (630, 45057), (653, 43470), (690, 41139), (805, 35262), (945, 30038), (966, 29385), (1035, 27426), (1242, 22855), (1306, 21735), (1449, 19590), (1610, 17631), (1890, 15019), (1959, 14490), (2070, 13713), (2415, 11754), (2898, 9795), (3105, 9142), (3265, 8694), (3918, 7245), (4347, 6530), (4571, 6210), (4830, 5877)]