31920840

素因数分解:

$2^3\times 3^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{239}}^1$

素因数の和:316

約数の個数: 192

約数和(自身を含む): 121305600

約数和(自身を除く): 89384760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 53, 56, 60, 63, 70, 72, 84, 90, 105, 106, 120, 126, 140, 159, 168, 180, 210, 212, 239, 252, 265, 280, 315, 318, 360, 371, 420, 424, 477, 478, 504, 530, 630, 636, 717, 742, 795, 840, 954, 956, 1060, 1113, 1195, 1260, 1272, 1434, 1484, 1590, 1673, 1855, 1908, 1912, 2120, 2151, 2226, 2385, 2390, 2520, 2868, 2968, 3180, 3339, 3346, 3585, 3710, 3816, 4302, 4452, 4770, 4780, 5019, 5565, 5736, 6360, 6678, 6692, 7170, 7420, 8365, 8604, 8904, 9540, 9560, 10038, 10755, 11130, 12667, 13356, 13384, 14340, 14840, 15057, 16695, 16730, 17208, 19080, 20076, 21510, 22260, 25095, 25334, 26712, 28680, 30114, 33390, 33460, 38001, 40152, 43020, 44520, 50190, 50668, 60228, 63335, 66780, 66920, 75285, 76002, 86040, 88669, 100380, 101336, 114003, 120456, 126670, 133560, 150570, 152004, 177338, 190005, 200760, 228006, 253340, 266007, 301140, 304008, 354676, 380010, 443345, 456012, 506680, 532014, 570015, 602280, 709352, 760020, 798021, 886690, 912024, 1064028, 1140030, 1330035, 1520040, 1596042, 1773380, 2128056, 2280060, 2660070, 3192084, 3546760, 3990105, 4560120, 5320140, 6384168, 7980210, 10640280, 15960420, 31920840]

約数ペア:

[(1, 31920840), (2, 15960420), (3, 10640280), (4, 7980210), (5, 6384168), (6, 5320140), (7, 4560120), (8, 3990105), (9, 3546760), (10, 3192084), (12, 2660070), (14, 2280060), (15, 2128056), (18, 1773380), (20, 1596042), (21, 1520040), (24, 1330035), (28, 1140030), (30, 1064028), (35, 912024), (36, 886690), (40, 798021), (42, 760020), (45, 709352), (53, 602280), (56, 570015), (60, 532014), (63, 506680), (70, 456012), (72, 443345), (84, 380010), (90, 354676), (105, 304008), (106, 301140), (120, 266007), (126, 253340), (140, 228006), (159, 200760), (168, 190005), (180, 177338), (210, 152004), (212, 150570), (239, 133560), (252, 126670), (265, 120456), (280, 114003), (315, 101336), (318, 100380), (360, 88669), (371, 86040), (420, 76002), (424, 75285), (477, 66920), (478, 66780), (504, 63335), (530, 60228), (630, 50668), (636, 50190), (717, 44520), (742, 43020), (795, 40152), (840, 38001), (954, 33460), (956, 33390), (1060, 30114), (1113, 28680), (1195, 26712), (1260, 25334), (1272, 25095), (1434, 22260), (1484, 21510), (1590, 20076), (1673, 19080), (1855, 17208), (1908, 16730), (1912, 16695), (2120, 15057), (2151, 14840), (2226, 14340), (2385, 13384), (2390, 13356), (2520, 12667), (2868, 11130), (2968, 10755), (3180, 10038), (3339, 9560), (3346, 9540), (3585, 8904), (3710, 8604), (3816, 8365), (4302, 7420), (4452, 7170), (4770, 6692), (4780, 6678), (5019, 6360), (5565, 5736)]