1388460240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{62207}}^1$

素因数の和:62257

約数の個数: 120

約数和(自身を含む): 4813406208

約数和(自身を除く): 3424945968

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 120, 124, 144, 155, 180, 186, 240, 248, 279, 310, 360, 372, 465, 496, 558, 620, 720, 744, 930, 1116, 1240, 1395, 1488, 1860, 2232, 2480, 2790, 3720, 4464, 5580, 7440, 11160, 22320, 62207, 124414, 186621, 248828, 311035, 373242, 497656, 559863, 622070, 746484, 933105, 995312, 1119726, 1244140, 1492968, 1866210, 1928417, 2239452, 2488280, 2799315, 2985936, 3732420, 3856834, 4478904, 4976560, 5598630, 5785251, 7464840, 7713668, 8957808, 9642085, 11197260, 11570502, 14929680, 15427336, 17355753, 19284170, 22394520, 23141004, 28926255, 30854672, 34711506, 38568340, 44789040, 46282008, 57852510, 69423012, 77136680, 86778765, 92564016, 115705020, 138846024, 154273360, 173557530, 231410040, 277692048, 347115060, 462820080, 694230120, 1388460240]

約数ペア:

[(1, 1388460240), (2, 694230120), (3, 462820080), (4, 347115060), (5, 277692048), (6, 231410040), (8, 173557530), (9, 154273360), (10, 138846024), (12, 115705020), (15, 92564016), (16, 86778765), (18, 77136680), (20, 69423012), (24, 57852510), (30, 46282008), (31, 44789040), (36, 38568340), (40, 34711506), (45, 30854672), (48, 28926255), (60, 23141004), (62, 22394520), (72, 19284170), (80, 17355753), (90, 15427336), (93, 14929680), (120, 11570502), (124, 11197260), (144, 9642085), (155, 8957808), (180, 7713668), (186, 7464840), (240, 5785251), (248, 5598630), (279, 4976560), (310, 4478904), (360, 3856834), (372, 3732420), (465, 2985936), (496, 2799315), (558, 2488280), (620, 2239452), (720, 1928417), (744, 1866210), (930, 1492968), (1116, 1244140), (1240, 1119726), (1395, 995312), (1488, 933105), (1860, 746484), (2232, 622070), (2480, 559863), (2790, 497656), (3720, 373242), (4464, 311035), (5580, 248828), (7440, 186621), (11160, 124414), (22320, 62207)]