290667780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4007}}^1$

素因数の和:4066

約数の個数: 144

約数和(自身を含む): 980388864

約数和(自身を除く): 689721084

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 31, 36, 39, 45, 52, 60, 62, 65, 78, 90, 93, 117, 124, 130, 155, 156, 180, 186, 195, 234, 260, 279, 310, 372, 390, 403, 465, 468, 558, 585, 620, 780, 806, 930, 1116, 1170, 1209, 1395, 1612, 1860, 2015, 2340, 2418, 2790, 3627, 4007, 4030, 4836, 5580, 6045, 7254, 8014, 8060, 12021, 12090, 14508, 16028, 18135, 20035, 24042, 24180, 36063, 36270, 40070, 48084, 52091, 60105, 72126, 72540, 80140, 104182, 120210, 124217, 144252, 156273, 180315, 208364, 240420, 248434, 260455, 312546, 360630, 372651, 468819, 496868, 520910, 621085, 625092, 721260, 745302, 781365, 937638, 1041820, 1117953, 1242170, 1490604, 1562730, 1614821, 1863255, 1875276, 2235906, 2344095, 2484340, 3125460, 3229642, 3726510, 4471812, 4688190, 4844463, 5589765, 6459284, 7453020, 8074105, 9376380, 9688926, 11179530, 14533389, 16148210, 19377852, 22359060, 24222315, 29066778, 32296420, 48444630, 58133556, 72666945, 96889260, 145333890, 290667780]

約数ペア:

[(1, 290667780), (2, 145333890), (3, 96889260), (4, 72666945), (5, 58133556), (6, 48444630), (9, 32296420), (10, 29066778), (12, 24222315), (13, 22359060), (15, 19377852), (18, 16148210), (20, 14533389), (26, 11179530), (30, 9688926), (31, 9376380), (36, 8074105), (39, 7453020), (45, 6459284), (52, 5589765), (60, 4844463), (62, 4688190), (65, 4471812), (78, 3726510), (90, 3229642), (93, 3125460), (117, 2484340), (124, 2344095), (130, 2235906), (155, 1875276), (156, 1863255), (180, 1614821), (186, 1562730), (195, 1490604), (234, 1242170), (260, 1117953), (279, 1041820), (310, 937638), (372, 781365), (390, 745302), (403, 721260), (465, 625092), (468, 621085), (558, 520910), (585, 496868), (620, 468819), (780, 372651), (806, 360630), (930, 312546), (1116, 260455), (1170, 248434), (1209, 240420), (1395, 208364), (1612, 180315), (1860, 156273), (2015, 144252), (2340, 124217), (2418, 120210), (2790, 104182), (3627, 80140), (4007, 72540), (4030, 72126), (4836, 60105), (5580, 52091), (6045, 48084), (7254, 40070), (8014, 36270), (8060, 36063), (12021, 24180), (12090, 24042), (14508, 20035), (16028, 18135)]