31128300

素因数分解:

$2^2\times 3^6\times 5^2\times 7^1\times {\mathrm{61}}^1$

素因数の和:100

約数の個数: 252

約数和(自身を含む): 117641776

約数和(自身を除く): 86513476

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 25, 27, 28, 30, 35, 36, 42, 45, 50, 54, 60, 61, 63, 70, 75, 81, 84, 90, 100, 105, 108, 122, 126, 135, 140, 150, 162, 175, 180, 183, 189, 210, 225, 243, 244, 252, 270, 300, 305, 315, 324, 350, 366, 378, 405, 420, 427, 450, 486, 525, 540, 549, 567, 610, 630, 675, 700, 729, 732, 756, 810, 854, 900, 915, 945, 972, 1050, 1098, 1134, 1215, 1220, 1260, 1281, 1350, 1458, 1525, 1575, 1620, 1647, 1701, 1708, 1830, 1890, 2025, 2100, 2135, 2196, 2268, 2430, 2562, 2700, 2745, 2835, 2916, 3050, 3150, 3294, 3402, 3645, 3660, 3780, 3843, 4050, 4270, 4575, 4725, 4860, 4941, 5103, 5124, 5490, 5670, 6075, 6100, 6300, 6405, 6588, 6804, 7290, 7686, 8100, 8235, 8505, 8540, 9150, 9450, 9882, 10206, 10675, 10980, 11340, 11529, 12150, 12810, 13725, 14175, 14580, 14823, 15372, 16470, 17010, 18225, 18300, 18900, 19215, 19764, 20412, 21350, 23058, 24300, 24705, 25515, 25620, 27450, 28350, 29646, 32025, 32940, 34020, 34587, 36450, 38430, 41175, 42525, 42700, 44469, 46116, 49410, 51030, 54900, 56700, 57645, 59292, 64050, 69174, 72900, 74115, 76860, 82350, 85050, 88938, 96075, 98820, 102060, 103761, 115290, 123525, 127575, 128100, 138348, 148230, 164700, 170100, 172935, 177876, 192150, 207522, 222345, 230580, 247050, 255150, 288225, 296460, 311283, 345870, 370575, 384300, 415044, 444690, 494100, 510300, 518805, 576450, 622566, 691740, 741150, 864675, 889380, 1037610, 1111725, 1152900, 1245132, 1482300, 1556415, 1729350, 2075220, 2223450, 2594025, 3112830, 3458700, 4446900, 5188050, 6225660, 7782075, 10376100, 15564150, 31128300]

約数ペア:

[(1, 31128300), (2, 15564150), (3, 10376100), (4, 7782075), (5, 6225660), (6, 5188050), (7, 4446900), (9, 3458700), (10, 3112830), (12, 2594025), (14, 2223450), (15, 2075220), (18, 1729350), (20, 1556415), (21, 1482300), (25, 1245132), (27, 1152900), (28, 1111725), (30, 1037610), (35, 889380), (36, 864675), (42, 741150), (45, 691740), (50, 622566), (54, 576450), (60, 518805), (61, 510300), (63, 494100), (70, 444690), (75, 415044), (81, 384300), (84, 370575), (90, 345870), (100, 311283), (105, 296460), (108, 288225), (122, 255150), (126, 247050), (135, 230580), (140, 222345), (150, 207522), (162, 192150), (175, 177876), (180, 172935), (183, 170100), (189, 164700), (210, 148230), (225, 138348), (243, 128100), (244, 127575), (252, 123525), (270, 115290), (300, 103761), (305, 102060), (315, 98820), (324, 96075), (350, 88938), (366, 85050), (378, 82350), (405, 76860), (420, 74115), (427, 72900), (450, 69174), (486, 64050), (525, 59292), (540, 57645), (549, 56700), (567, 54900), (610, 51030), (630, 49410), (675, 46116), (700, 44469), (729, 42700), (732, 42525), (756, 41175), (810, 38430), (854, 36450), (900, 34587), (915, 34020), (945, 32940), (972, 32025), (1050, 29646), (1098, 28350), (1134, 27450), (1215, 25620), (1220, 25515), (1260, 24705), (1281, 24300), (1350, 23058), (1458, 21350), (1525, 20412), (1575, 19764), (1620, 19215), (1647, 18900), (1701, 18300), (1708, 18225), (1830, 17010), (1890, 16470), (2025, 15372), (2100, 14823), (2135, 14580), (2196, 14175), (2268, 13725), (2430, 12810), (2562, 12150), (2700, 11529), (2745, 11340), (2835, 10980), (2916, 10675), (3050, 10206), (3150, 9882), (3294, 9450), (3402, 9150), (3645, 8540), (3660, 8505), (3780, 8235), (3843, 8100), (4050, 7686), (4270, 7290), (4575, 6804), (4725, 6588), (4860, 6405), (4941, 6300), (5103, 6100), (5124, 6075), (5490, 5670)]