61372870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{157}}^1$

素因数の和:305

約数の個数: 64

約数和(自身を含む): 124862976

約数和(自身を除く): 63490106

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 97, 130, 155, 157, 194, 310, 314, 403, 485, 785, 806, 970, 1261, 1570, 2015, 2041, 2522, 3007, 4030, 4082, 4867, 6014, 6305, 9734, 10205, 12610, 15035, 15229, 20410, 24335, 30070, 30458, 39091, 48670, 63271, 76145, 78182, 126542, 152290, 195455, 197977, 316355, 390910, 395954, 472099, 632710, 944198, 989885, 1979770, 2360495, 4720990, 6137287, 12274574, 30686435, 61372870]

約数ペア:

[(1, 61372870), (2, 30686435), (5, 12274574), (10, 6137287), (13, 4720990), (26, 2360495), (31, 1979770), (62, 989885), (65, 944198), (97, 632710), (130, 472099), (155, 395954), (157, 390910), (194, 316355), (310, 197977), (314, 195455), (403, 152290), (485, 126542), (785, 78182), (806, 76145), (970, 63271), (1261, 48670), (1570, 39091), (2015, 30458), (2041, 30070), (2522, 24335), (3007, 20410), (4030, 15229), (4082, 15035), (4867, 12610), (6014, 10205), (6305, 9734)]