2855871280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{39709}}^1$

素因数の和:39782

約数の個数: 80

約数和(自身を含む): 7090617600

約数和(自身を除く): 4234746320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 31, 40, 58, 62, 80, 116, 124, 145, 155, 232, 248, 290, 310, 464, 496, 580, 620, 899, 1160, 1240, 1798, 2320, 2480, 3596, 4495, 7192, 8990, 14384, 17980, 35960, 39709, 71920, 79418, 158836, 198545, 317672, 397090, 635344, 794180, 1151561, 1230979, 1588360, 2303122, 2461958, 3176720, 4606244, 4923916, 5757805, 6154895, 9212488, 9847832, 11515610, 12309790, 18424976, 19695664, 23031220, 24619580, 35698391, 46062440, 49239160, 71396782, 92124880, 98478320, 142793564, 178491955, 285587128, 356983910, 571174256, 713967820, 1427935640, 2855871280]

約数ペア:

[(1, 2855871280), (2, 1427935640), (4, 713967820), (5, 571174256), (8, 356983910), (10, 285587128), (16, 178491955), (20, 142793564), (29, 98478320), (31, 92124880), (40, 71396782), (58, 49239160), (62, 46062440), (80, 35698391), (116, 24619580), (124, 23031220), (145, 19695664), (155, 18424976), (232, 12309790), (248, 11515610), (290, 9847832), (310, 9212488), (464, 6154895), (496, 5757805), (580, 4923916), (620, 4606244), (899, 3176720), (1160, 2461958), (1240, 2303122), (1798, 1588360), (2320, 1230979), (2480, 1151561), (3596, 794180), (4495, 635344), (7192, 397090), (8990, 317672), (14384, 198545), (17980, 158836), (35960, 79418), (39709, 71920)]