319720360

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{523}}^1$

素因数の和:611

約数の個数: 128

約数和(自身を含む): 814924800

約数和(自身を除く): 495204440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 29, 31, 34, 40, 58, 62, 68, 85, 116, 124, 136, 145, 155, 170, 232, 248, 290, 310, 340, 493, 523, 527, 580, 620, 680, 899, 986, 1046, 1054, 1160, 1240, 1798, 1972, 2092, 2108, 2465, 2615, 2635, 3596, 3944, 4184, 4216, 4495, 4930, 5230, 5270, 7192, 8891, 8990, 9860, 10460, 10540, 15167, 15283, 16213, 17782, 17980, 19720, 20920, 21080, 30334, 30566, 32426, 35564, 35960, 44455, 60668, 61132, 64852, 71128, 75835, 76415, 81065, 88910, 121336, 122264, 129704, 151670, 152830, 162130, 177820, 257839, 275621, 303340, 305660, 324260, 355640, 470177, 515678, 551242, 606680, 611320, 648520, 940354, 1031356, 1102484, 1289195, 1378105, 1880708, 2062712, 2204968, 2350885, 2578390, 2756210, 3761416, 4701770, 5156780, 5512420, 7993009, 9403540, 10313560, 11024840, 15986018, 18807080, 31972036, 39965045, 63944072, 79930090, 159860180, 319720360]

約数ペア:

[(1, 319720360), (2, 159860180), (4, 79930090), (5, 63944072), (8, 39965045), (10, 31972036), (17, 18807080), (20, 15986018), (29, 11024840), (31, 10313560), (34, 9403540), (40, 7993009), (58, 5512420), (62, 5156780), (68, 4701770), (85, 3761416), (116, 2756210), (124, 2578390), (136, 2350885), (145, 2204968), (155, 2062712), (170, 1880708), (232, 1378105), (248, 1289195), (290, 1102484), (310, 1031356), (340, 940354), (493, 648520), (523, 611320), (527, 606680), (580, 551242), (620, 515678), (680, 470177), (899, 355640), (986, 324260), (1046, 305660), (1054, 303340), (1160, 275621), (1240, 257839), (1798, 177820), (1972, 162130), (2092, 152830), (2108, 151670), (2465, 129704), (2615, 122264), (2635, 121336), (3596, 88910), (3944, 81065), (4184, 76415), (4216, 75835), (4495, 71128), (4930, 64852), (5230, 61132), (5270, 60668), (7192, 44455), (8891, 35960), (8990, 35564), (9860, 32426), (10460, 30566), (10540, 30334), (15167, 21080), (15283, 20920), (16213, 19720), (17782, 17980)]