289141320

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{2539}}^1$

素因数の和:2639

約数の個数: 128

約数和(自身を含む): 947318400

約数和(自身を除く): 658177080

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 73, 78, 104, 120, 130, 146, 156, 195, 219, 260, 292, 312, 365, 390, 438, 520, 584, 730, 780, 876, 949, 1095, 1460, 1560, 1752, 1898, 2190, 2539, 2847, 2920, 3796, 4380, 4745, 5078, 5694, 7592, 7617, 8760, 9490, 10156, 11388, 12695, 14235, 15234, 18980, 20312, 22776, 25390, 28470, 30468, 33007, 37960, 38085, 50780, 56940, 60936, 66014, 76170, 99021, 101560, 113880, 132028, 152340, 165035, 185347, 198042, 264056, 304680, 330070, 370694, 396084, 495105, 556041, 660140, 741388, 792168, 926735, 990210, 1112082, 1320280, 1482776, 1853470, 1980420, 2224164, 2409511, 2780205, 3706940, 3960840, 4448328, 4819022, 5560410, 7228533, 7413880, 9638044, 11120820, 12047555, 14457066, 19276088, 22241640, 24095110, 28914132, 36142665, 48190220, 57828264, 72285330, 96380440, 144570660, 289141320]

約数ペア:

[(1, 289141320), (2, 144570660), (3, 96380440), (4, 72285330), (5, 57828264), (6, 48190220), (8, 36142665), (10, 28914132), (12, 24095110), (13, 22241640), (15, 19276088), (20, 14457066), (24, 12047555), (26, 11120820), (30, 9638044), (39, 7413880), (40, 7228533), (52, 5560410), (60, 4819022), (65, 4448328), (73, 3960840), (78, 3706940), (104, 2780205), (120, 2409511), (130, 2224164), (146, 1980420), (156, 1853470), (195, 1482776), (219, 1320280), (260, 1112082), (292, 990210), (312, 926735), (365, 792168), (390, 741388), (438, 660140), (520, 556041), (584, 495105), (730, 396084), (780, 370694), (876, 330070), (949, 304680), (1095, 264056), (1460, 198042), (1560, 185347), (1752, 165035), (1898, 152340), (2190, 132028), (2539, 113880), (2847, 101560), (2920, 99021), (3796, 76170), (4380, 66014), (4745, 60936), (5078, 56940), (5694, 50780), (7592, 38085), (7617, 37960), (8760, 33007), (9490, 30468), (10156, 28470), (11388, 25390), (12695, 22776), (14235, 20312), (15234, 18980)]