165842560

素因数分解:

$2^7\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{643}}^1$

素因数の和:706

約数の個数: 128

約数和(自身を含む): 441423360

約数和(自身を除く): 275580800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 31, 32, 40, 52, 62, 64, 65, 80, 104, 124, 128, 130, 155, 160, 208, 248, 260, 310, 320, 403, 416, 496, 520, 620, 640, 643, 806, 832, 992, 1040, 1240, 1286, 1612, 1664, 1984, 2015, 2080, 2480, 2572, 3215, 3224, 3968, 4030, 4160, 4960, 5144, 6430, 6448, 8060, 8320, 8359, 9920, 10288, 12860, 12896, 16120, 16718, 19840, 19933, 20576, 25720, 25792, 32240, 33436, 39866, 41152, 41795, 51440, 51584, 64480, 66872, 79732, 82304, 83590, 99665, 102880, 128960, 133744, 159464, 167180, 199330, 205760, 257920, 259129, 267488, 318928, 334360, 398660, 411520, 518258, 534976, 637856, 668720, 797320, 1036516, 1069952, 1275712, 1295645, 1337440, 1594640, 2073032, 2551424, 2591290, 2674880, 3189280, 4146064, 5182580, 5349760, 6378560, 8292128, 10365160, 12757120, 16584256, 20730320, 33168512, 41460640, 82921280, 165842560]

約数ペア:

[(1, 165842560), (2, 82921280), (4, 41460640), (5, 33168512), (8, 20730320), (10, 16584256), (13, 12757120), (16, 10365160), (20, 8292128), (26, 6378560), (31, 5349760), (32, 5182580), (40, 4146064), (52, 3189280), (62, 2674880), (64, 2591290), (65, 2551424), (80, 2073032), (104, 1594640), (124, 1337440), (128, 1295645), (130, 1275712), (155, 1069952), (160, 1036516), (208, 797320), (248, 668720), (260, 637856), (310, 534976), (320, 518258), (403, 411520), (416, 398660), (496, 334360), (520, 318928), (620, 267488), (640, 259129), (643, 257920), (806, 205760), (832, 199330), (992, 167180), (1040, 159464), (1240, 133744), (1286, 128960), (1612, 102880), (1664, 99665), (1984, 83590), (2015, 82304), (2080, 79732), (2480, 66872), (2572, 64480), (3215, 51584), (3224, 51440), (3968, 41795), (4030, 41152), (4160, 39866), (4960, 33436), (5144, 32240), (6430, 25792), (6448, 25720), (8060, 20576), (8320, 19933), (8359, 19840), (9920, 16718), (10288, 16120), (12860, 12896)]