1991256480

素因数分解:

$2^5\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{14869}}^1$

素因数の和:14924

約数の個数: 192

約数和(自身を含む): 7194700800

約数和(自身を除く): 5203444320

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 31, 32, 36, 40, 45, 48, 54, 60, 62, 72, 80, 90, 93, 96, 108, 120, 124, 135, 144, 155, 160, 180, 186, 216, 240, 248, 270, 279, 288, 310, 360, 372, 432, 465, 480, 496, 540, 558, 620, 720, 744, 837, 864, 930, 992, 1080, 1116, 1240, 1395, 1440, 1488, 1674, 1860, 2160, 2232, 2480, 2790, 2976, 3348, 3720, 4185, 4320, 4464, 4960, 5580, 6696, 7440, 8370, 8928, 11160, 13392, 14869, 14880, 16740, 22320, 26784, 29738, 33480, 44607, 44640, 59476, 66960, 74345, 89214, 118952, 133821, 133920, 148690, 178428, 223035, 237904, 267642, 297380, 356856, 401463, 446070, 460939, 475808, 535284, 594760, 669105, 713712, 802926, 892140, 921878, 1070568, 1189520, 1338210, 1382817, 1427424, 1605852, 1784280, 1843756, 2007315, 2141136, 2304695, 2379040, 2676420, 2765634, 3211704, 3568560, 3687512, 4014630, 4148451, 4282272, 4609390, 5352840, 5531268, 6423408, 6914085, 7137120, 7375024, 8029260, 8296902, 9218780, 10705680, 11062536, 12445353, 12846816, 13828170, 14750048, 16058520, 16593804, 18437560, 20742255, 21411360, 22125072, 24890706, 27656340, 32117040, 33187608, 36875120, 41484510, 44250144, 49781412, 55312680, 62226765, 64234080, 66375216, 73750240, 82969020, 99562824, 110625360, 124453530, 132750432, 165938040, 199125648, 221250720, 248907060, 331876080, 398251296, 497814120, 663752160, 995628240, 1991256480]

約数ペア:

[(1, 1991256480), (2, 995628240), (3, 663752160), (4, 497814120), (5, 398251296), (6, 331876080), (8, 248907060), (9, 221250720), (10, 199125648), (12, 165938040), (15, 132750432), (16, 124453530), (18, 110625360), (20, 99562824), (24, 82969020), (27, 73750240), (30, 66375216), (31, 64234080), (32, 62226765), (36, 55312680), (40, 49781412), (45, 44250144), (48, 41484510), (54, 36875120), (60, 33187608), (62, 32117040), (72, 27656340), (80, 24890706), (90, 22125072), (93, 21411360), (96, 20742255), (108, 18437560), (120, 16593804), (124, 16058520), (135, 14750048), (144, 13828170), (155, 12846816), (160, 12445353), (180, 11062536), (186, 10705680), (216, 9218780), (240, 8296902), (248, 8029260), (270, 7375024), (279, 7137120), (288, 6914085), (310, 6423408), (360, 5531268), (372, 5352840), (432, 4609390), (465, 4282272), (480, 4148451), (496, 4014630), (540, 3687512), (558, 3568560), (620, 3211704), (720, 2765634), (744, 2676420), (837, 2379040), (864, 2304695), (930, 2141136), (992, 2007315), (1080, 1843756), (1116, 1784280), (1240, 1605852), (1395, 1427424), (1440, 1382817), (1488, 1338210), (1674, 1189520), (1860, 1070568), (2160, 921878), (2232, 892140), (2480, 802926), (2790, 713712), (2976, 669105), (3348, 594760), (3720, 535284), (4185, 475808), (4320, 460939), (4464, 446070), (4960, 401463), (5580, 356856), (6696, 297380), (7440, 267642), (8370, 237904), (8928, 223035), (11160, 178428), (13392, 148690), (14869, 133920), (14880, 133821), (16740, 118952), (22320, 89214), (26784, 74345), (29738, 66960), (33480, 59476), (44607, 44640)]