720350720

素因数分解:

$2^9\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{313}}^1$

素因数の和:396

約数の個数: 160

約数和(自身を含む): 1850238720

約数和(自身を除く): 1129888000

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 32, 40, 58, 62, 64, 80, 116, 124, 128, 145, 155, 160, 232, 248, 256, 290, 310, 313, 320, 464, 496, 512, 580, 620, 626, 640, 899, 928, 992, 1160, 1240, 1252, 1280, 1565, 1798, 1856, 1984, 2320, 2480, 2504, 2560, 3130, 3596, 3712, 3968, 4495, 4640, 4960, 5008, 6260, 7192, 7424, 7936, 8990, 9077, 9280, 9703, 9920, 10016, 12520, 14384, 14848, 15872, 17980, 18154, 18560, 19406, 19840, 20032, 25040, 28768, 35960, 36308, 37120, 38812, 39680, 40064, 45385, 48515, 50080, 57536, 71920, 72616, 74240, 77624, 79360, 80128, 90770, 97030, 100160, 115072, 143840, 145232, 155248, 160256, 181540, 194060, 200320, 230144, 281387, 287680, 290464, 310496, 363080, 388120, 400640, 460288, 562774, 575360, 580928, 620992, 726160, 776240, 801280, 1125548, 1150720, 1161856, 1241984, 1406935, 1452320, 1552480, 2251096, 2301440, 2323712, 2483968, 2813870, 2904640, 3104960, 4502192, 4647424, 4967936, 5627740, 5809280, 6209920, 9004384, 11255480, 11618560, 12419840, 18008768, 22510960, 23237120, 24839680, 36017536, 45021920, 72035072, 90043840, 144070144, 180087680, 360175360, 720350720]

約数ペア:

[(1, 720350720), (2, 360175360), (4, 180087680), (5, 144070144), (8, 90043840), (10, 72035072), (16, 45021920), (20, 36017536), (29, 24839680), (31, 23237120), (32, 22510960), (40, 18008768), (58, 12419840), (62, 11618560), (64, 11255480), (80, 9004384), (116, 6209920), (124, 5809280), (128, 5627740), (145, 4967936), (155, 4647424), (160, 4502192), (232, 3104960), (248, 2904640), (256, 2813870), (290, 2483968), (310, 2323712), (313, 2301440), (320, 2251096), (464, 1552480), (496, 1452320), (512, 1406935), (580, 1241984), (620, 1161856), (626, 1150720), (640, 1125548), (899, 801280), (928, 776240), (992, 726160), (1160, 620992), (1240, 580928), (1252, 575360), (1280, 562774), (1565, 460288), (1798, 400640), (1856, 388120), (1984, 363080), (2320, 310496), (2480, 290464), (2504, 287680), (2560, 281387), (3130, 230144), (3596, 200320), (3712, 194060), (3968, 181540), (4495, 160256), (4640, 155248), (4960, 145232), (5008, 143840), (6260, 115072), (7192, 100160), (7424, 97030), (7936, 90770), (8990, 80128), (9077, 79360), (9280, 77624), (9703, 74240), (9920, 72616), (10016, 71920), (12520, 57536), (14384, 50080), (14848, 48515), (15872, 45385), (17980, 40064), (18154, 39680), (18560, 38812), (19406, 37120), (19840, 36308), (20032, 35960), (25040, 28768)]