281555200680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{271}}^1\times {\mathrm{665993}}^1$

素因数の和:666291

約数の個数: 128

約数和(自身を含む): 912997854720

約数和(自身を除く): 631442654040

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 271, 312, 390, 520, 542, 780, 813, 1084, 1355, 1560, 1626, 2168, 2710, 3252, 3523, 4065, 5420, 6504, 7046, 8130, 10569, 10840, 14092, 16260, 17615, 21138, 28184, 32520, 35230, 42276, 52845, 70460, 84552, 105690, 140920, 211380, 422760, 665993, 1331986, 1997979, 2663972, 3329965, 3995958, 5327944, 6659930, 7991916, 8657909, 9989895, 13319860, 15983832, 17315818, 19979790, 25973727, 26639720, 34631636, 39959580, 43289545, 51947454, 69263272, 79919160, 86579090, 103894908, 129868635, 173158180, 180484103, 207789816, 259737270, 346316360, 360968206, 519474540, 541452309, 721936412, 902420515, 1038949080, 1082904618, 1443872824, 1804841030, 2165809236, 2346293339, 2707261545, 3609682060, 4331618472, 4692586678, 5414523090, 7038880017, 7219364120, 9385173356, 10829046180, 11731466695, 14077760034, 18770346712, 21658092360, 23462933390, 28155520068, 35194400085, 46925866780, 56311040136, 70388800170, 93851733560, 140777600340, 281555200680]

約数ペア:

[(1, 281555200680), (2, 140777600340), (3, 93851733560), (4, 70388800170), (5, 56311040136), (6, 46925866780), (8, 35194400085), (10, 28155520068), (12, 23462933390), (13, 21658092360), (15, 18770346712), (20, 14077760034), (24, 11731466695), (26, 10829046180), (30, 9385173356), (39, 7219364120), (40, 7038880017), (52, 5414523090), (60, 4692586678), (65, 4331618472), (78, 3609682060), (104, 2707261545), (120, 2346293339), (130, 2165809236), (156, 1804841030), (195, 1443872824), (260, 1082904618), (271, 1038949080), (312, 902420515), (390, 721936412), (520, 541452309), (542, 519474540), (780, 360968206), (813, 346316360), (1084, 259737270), (1355, 207789816), (1560, 180484103), (1626, 173158180), (2168, 129868635), (2710, 103894908), (3252, 86579090), (3523, 79919160), (4065, 69263272), (5420, 51947454), (6504, 43289545), (7046, 39959580), (8130, 34631636), (10569, 26639720), (10840, 25973727), (14092, 19979790), (16260, 17315818), (17615, 15983832), (21138, 13319860), (28184, 9989895), (32520, 8657909), (35230, 7991916), (42276, 6659930), (52845, 5327944), (70460, 3995958), (84552, 3329965), (105690, 2663972), (140920, 1997979), (211380, 1331986), (422760, 665993)]