816676380

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{349007}}^1$

素因数の和:349035

約数の個数: 72

約数和(自身を含む): 2667817152

約数和(自身を除く): 1851140772

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 26, 30, 36, 39, 45, 52, 60, 65, 78, 90, 117, 130, 156, 180, 195, 234, 260, 390, 468, 585, 780, 1170, 2340, 349007, 698014, 1047021, 1396028, 1745035, 2094042, 3141063, 3490070, 4188084, 4537091, 5235105, 6282126, 6980140, 9074182, 10470210, 12564252, 13611273, 15705315, 18148364, 20940420, 22685455, 27222546, 31410630, 40833819, 45370910, 54445092, 62821260, 68056365, 81667638, 90741820, 136112730, 163335276, 204169095, 272225460, 408338190, 816676380]

約数ペア:

[(1, 816676380), (2, 408338190), (3, 272225460), (4, 204169095), (5, 163335276), (6, 136112730), (9, 90741820), (10, 81667638), (12, 68056365), (13, 62821260), (15, 54445092), (18, 45370910), (20, 40833819), (26, 31410630), (30, 27222546), (36, 22685455), (39, 20940420), (45, 18148364), (52, 15705315), (60, 13611273), (65, 12564252), (78, 10470210), (90, 9074182), (117, 6980140), (130, 6282126), (156, 5235105), (180, 4537091), (195, 4188084), (234, 3490070), (260, 3141063), (390, 2094042), (468, 1745035), (585, 1396028), (780, 1047021), (1170, 698014), (2340, 349007)]