490331340

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1723}}^1$

素因数の和:1789

約数の個数: 192

約数和(自身を含む): 1668280320

約数和(自身を除く): 1177948980

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 27, 30, 31, 34, 36, 45, 51, 54, 60, 62, 68, 85, 90, 93, 102, 108, 124, 135, 153, 155, 170, 180, 186, 204, 255, 270, 279, 306, 310, 340, 372, 459, 465, 510, 527, 540, 558, 612, 620, 765, 837, 918, 930, 1020, 1054, 1116, 1395, 1530, 1581, 1674, 1723, 1836, 1860, 2108, 2295, 2635, 2790, 3060, 3162, 3348, 3446, 4185, 4590, 4743, 5169, 5270, 5580, 6324, 6892, 7905, 8370, 8615, 9180, 9486, 10338, 10540, 14229, 15507, 15810, 16740, 17230, 18972, 20676, 23715, 25845, 28458, 29291, 31014, 31620, 34460, 46521, 47430, 51690, 53413, 56916, 58582, 62028, 71145, 77535, 87873, 93042, 94860, 103380, 106826, 117164, 142290, 146455, 155070, 160239, 175746, 186084, 213652, 232605, 263619, 267065, 284580, 292910, 310140, 320478, 351492, 439365, 465210, 480717, 527238, 534130, 585820, 640956, 790857, 801195, 878730, 908021, 930420, 961434, 1054476, 1068260, 1318095, 1442151, 1581714, 1602390, 1757460, 1816042, 1922868, 2403585, 2636190, 2724063, 2884302, 3163428, 3204780, 3632084, 3954285, 4540105, 4807170, 5272380, 5448126, 5768604, 7210755, 7908570, 8172189, 9080210, 9614340, 10896252, 13620315, 14421510, 15817140, 16344378, 18160420, 24516567, 27240630, 28843020, 32688756, 40860945, 49033134, 54481260, 81721890, 98066268, 122582835, 163443780, 245165670, 490331340]

約数ペア:

[(1, 490331340), (2, 245165670), (3, 163443780), (4, 122582835), (5, 98066268), (6, 81721890), (9, 54481260), (10, 49033134), (12, 40860945), (15, 32688756), (17, 28843020), (18, 27240630), (20, 24516567), (27, 18160420), (30, 16344378), (31, 15817140), (34, 14421510), (36, 13620315), (45, 10896252), (51, 9614340), (54, 9080210), (60, 8172189), (62, 7908570), (68, 7210755), (85, 5768604), (90, 5448126), (93, 5272380), (102, 4807170), (108, 4540105), (124, 3954285), (135, 3632084), (153, 3204780), (155, 3163428), (170, 2884302), (180, 2724063), (186, 2636190), (204, 2403585), (255, 1922868), (270, 1816042), (279, 1757460), (306, 1602390), (310, 1581714), (340, 1442151), (372, 1318095), (459, 1068260), (465, 1054476), (510, 961434), (527, 930420), (540, 908021), (558, 878730), (612, 801195), (620, 790857), (765, 640956), (837, 585820), (918, 534130), (930, 527238), (1020, 480717), (1054, 465210), (1116, 439365), (1395, 351492), (1530, 320478), (1581, 310140), (1674, 292910), (1723, 284580), (1836, 267065), (1860, 263619), (2108, 232605), (2295, 213652), (2635, 186084), (2790, 175746), (3060, 160239), (3162, 155070), (3348, 146455), (3446, 142290), (4185, 117164), (4590, 106826), (4743, 103380), (5169, 94860), (5270, 93042), (5580, 87873), (6324, 77535), (6892, 71145), (7905, 62028), (8370, 58582), (8615, 56916), (9180, 53413), (9486, 51690), (10338, 47430), (10540, 46521), (14229, 34460), (15507, 31620), (15810, 31014), (16740, 29291), (17230, 28458), (18972, 25845), (20676, 23715)]