261668520

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23447}}^1$

素因数の和:23495

約数の個数: 96

約数和(自身を含む): 877893120

約数和(自身を除く): 616224600

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 11160, 23447, 46894, 70341, 93788, 117235, 140682, 187576, 211023, 234470, 281364, 351705, 422046, 468940, 562728, 703410, 726857, 844092, 937880, 1055115, 1406820, 1453714, 1688184, 2110230, 2180571, 2813640, 2907428, 3634285, 4220460, 4361142, 5814856, 6541713, 7268570, 8440920, 8722284, 10902855, 13083426, 14537140, 17444568, 21805710, 26166852, 29074280, 32708565, 43611420, 52333704, 65417130, 87222840, 130834260, 261668520]

約数ペア:

[(1, 261668520), (2, 130834260), (3, 87222840), (4, 65417130), (5, 52333704), (6, 43611420), (8, 32708565), (9, 29074280), (10, 26166852), (12, 21805710), (15, 17444568), (18, 14537140), (20, 13083426), (24, 10902855), (30, 8722284), (31, 8440920), (36, 7268570), (40, 6541713), (45, 5814856), (60, 4361142), (62, 4220460), (72, 3634285), (90, 2907428), (93, 2813640), (120, 2180571), (124, 2110230), (155, 1688184), (180, 1453714), (186, 1406820), (248, 1055115), (279, 937880), (310, 844092), (360, 726857), (372, 703410), (465, 562728), (558, 468940), (620, 422046), (744, 351705), (930, 281364), (1116, 234470), (1240, 211023), (1395, 187576), (1860, 140682), (2232, 117235), (2790, 93788), (3720, 70341), (5580, 46894), (11160, 23447)]