289946280

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8081}}^1$

素因数の和:8131

約数の個数: 128

約数和(自身を含む): 977598720

約数和(自身を除く): 687652440

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 23, 24, 26, 30, 39, 40, 46, 52, 60, 65, 69, 78, 92, 104, 115, 120, 130, 138, 156, 184, 195, 230, 260, 276, 299, 312, 345, 390, 460, 520, 552, 598, 690, 780, 897, 920, 1196, 1380, 1495, 1560, 1794, 2392, 2760, 2990, 3588, 4485, 5980, 7176, 8081, 8970, 11960, 16162, 17940, 24243, 32324, 35880, 40405, 48486, 64648, 80810, 96972, 105053, 121215, 161620, 185863, 193944, 210106, 242430, 315159, 323240, 371726, 420212, 484860, 525265, 557589, 630318, 743452, 840424, 929315, 969720, 1050530, 1115178, 1260636, 1486904, 1575795, 1858630, 2101060, 2230356, 2416219, 2521272, 2787945, 3151590, 3717260, 4202120, 4460712, 4832438, 5575890, 6303180, 7248657, 7434520, 9664876, 11151780, 12081095, 12606360, 14497314, 19329752, 22303560, 24162190, 28994628, 36243285, 48324380, 57989256, 72486570, 96648760, 144973140, 289946280]

約数ペア:

[(1, 289946280), (2, 144973140), (3, 96648760), (4, 72486570), (5, 57989256), (6, 48324380), (8, 36243285), (10, 28994628), (12, 24162190), (13, 22303560), (15, 19329752), (20, 14497314), (23, 12606360), (24, 12081095), (26, 11151780), (30, 9664876), (39, 7434520), (40, 7248657), (46, 6303180), (52, 5575890), (60, 4832438), (65, 4460712), (69, 4202120), (78, 3717260), (92, 3151590), (104, 2787945), (115, 2521272), (120, 2416219), (130, 2230356), (138, 2101060), (156, 1858630), (184, 1575795), (195, 1486904), (230, 1260636), (260, 1115178), (276, 1050530), (299, 969720), (312, 929315), (345, 840424), (390, 743452), (460, 630318), (520, 557589), (552, 525265), (598, 484860), (690, 420212), (780, 371726), (897, 323240), (920, 315159), (1196, 242430), (1380, 210106), (1495, 193944), (1560, 185863), (1794, 161620), (2392, 121215), (2760, 105053), (2990, 96972), (3588, 80810), (4485, 64648), (5980, 48486), (7176, 40405), (8081, 35880), (8970, 32324), (11960, 24243), (16162, 17940)]