280681080

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:785

約数の個数: 128

約数和(自身を含む): 873633600

約数和(自身を除く): 592952520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 41, 60, 82, 89, 120, 123, 164, 178, 205, 246, 267, 328, 356, 410, 445, 492, 534, 615, 641, 712, 820, 890, 984, 1068, 1230, 1282, 1335, 1640, 1780, 1923, 2136, 2460, 2564, 2670, 3205, 3560, 3649, 3846, 4920, 5128, 5340, 6410, 7298, 7692, 9615, 10680, 10947, 12820, 14596, 15384, 18245, 19230, 21894, 25640, 26281, 29192, 36490, 38460, 43788, 52562, 54735, 57049, 72980, 76920, 78843, 87576, 105124, 109470, 114098, 131405, 145960, 157686, 171147, 210248, 218940, 228196, 262810, 285245, 315372, 342294, 394215, 437880, 456392, 525620, 570490, 630744, 684588, 788430, 855735, 1051240, 1140980, 1369176, 1576860, 1711470, 2281960, 2339009, 3153720, 3422940, 4678018, 6845880, 7017027, 9356036, 11695045, 14034054, 18712072, 23390090, 28068108, 35085135, 46780180, 56136216, 70170270, 93560360, 140340540, 280681080]

約数ペア:

[(1, 280681080), (2, 140340540), (3, 93560360), (4, 70170270), (5, 56136216), (6, 46780180), (8, 35085135), (10, 28068108), (12, 23390090), (15, 18712072), (20, 14034054), (24, 11695045), (30, 9356036), (40, 7017027), (41, 6845880), (60, 4678018), (82, 3422940), (89, 3153720), (120, 2339009), (123, 2281960), (164, 1711470), (178, 1576860), (205, 1369176), (246, 1140980), (267, 1051240), (328, 855735), (356, 788430), (410, 684588), (445, 630744), (492, 570490), (534, 525620), (615, 456392), (641, 437880), (712, 394215), (820, 342294), (890, 315372), (984, 285245), (1068, 262810), (1230, 228196), (1282, 218940), (1335, 210248), (1640, 171147), (1780, 157686), (1923, 145960), (2136, 131405), (2460, 114098), (2564, 109470), (2670, 105124), (3205, 87576), (3560, 78843), (3649, 76920), (3846, 72980), (4920, 57049), (5128, 54735), (5340, 52562), (6410, 43788), (7298, 38460), (7692, 36490), (9615, 29192), (10680, 26281), (10947, 25640), (12820, 21894), (14596, 19230), (15384, 18245)]