220387680

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{4937}}^1$

素因数の和:4989

約数の個数: 144

約数和(自身を含む): 776490624

約数和(自身を除く): 556102944

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 32, 36, 40, 45, 48, 60, 62, 72, 80, 90, 93, 96, 120, 124, 144, 155, 160, 180, 186, 240, 248, 279, 288, 310, 360, 372, 465, 480, 496, 558, 620, 720, 744, 930, 992, 1116, 1240, 1395, 1440, 1488, 1860, 2232, 2480, 2790, 2976, 3720, 4464, 4937, 4960, 5580, 7440, 8928, 9874, 11160, 14811, 14880, 19748, 22320, 24685, 29622, 39496, 44433, 44640, 49370, 59244, 74055, 78992, 88866, 98740, 118488, 148110, 153047, 157984, 177732, 197480, 222165, 236976, 296220, 306094, 355464, 394960, 444330, 459141, 473952, 592440, 612188, 710928, 765235, 789920, 888660, 918282, 1184880, 1224376, 1377423, 1421856, 1530470, 1777320, 1836564, 2295705, 2369760, 2448752, 2754846, 3060940, 3554640, 3673128, 4591410, 4897504, 5509692, 6121880, 6887115, 7109280, 7346256, 9182820, 11019384, 12243760, 13774230, 14692512, 18365640, 22038768, 24487520, 27548460, 36731280, 44077536, 55096920, 73462560, 110193840, 220387680]

約数ペア:

[(1, 220387680), (2, 110193840), (3, 73462560), (4, 55096920), (5, 44077536), (6, 36731280), (8, 27548460), (9, 24487520), (10, 22038768), (12, 18365640), (15, 14692512), (16, 13774230), (18, 12243760), (20, 11019384), (24, 9182820), (30, 7346256), (31, 7109280), (32, 6887115), (36, 6121880), (40, 5509692), (45, 4897504), (48, 4591410), (60, 3673128), (62, 3554640), (72, 3060940), (80, 2754846), (90, 2448752), (93, 2369760), (96, 2295705), (120, 1836564), (124, 1777320), (144, 1530470), (155, 1421856), (160, 1377423), (180, 1224376), (186, 1184880), (240, 918282), (248, 888660), (279, 789920), (288, 765235), (310, 710928), (360, 612188), (372, 592440), (465, 473952), (480, 459141), (496, 444330), (558, 394960), (620, 355464), (720, 306094), (744, 296220), (930, 236976), (992, 222165), (1116, 197480), (1240, 177732), (1395, 157984), (1440, 153047), (1488, 148110), (1860, 118488), (2232, 98740), (2480, 88866), (2790, 78992), (2976, 74055), (3720, 59244), (4464, 49370), (4937, 44640), (4960, 44433), (5580, 39496), (7440, 29622), (8928, 24685), (9874, 22320), (11160, 19748), (14811, 14880)]