74825940

素因数分解:

$2^2\times 3^1\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{821}}^1$

素因数の和:878

約数の個数: 144

約数和(自身を含む): 251887104

約数和(自身を除く): 177061164

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 31, 35, 42, 49, 60, 62, 70, 84, 93, 98, 105, 124, 140, 147, 155, 186, 196, 210, 217, 245, 294, 310, 372, 420, 434, 465, 490, 588, 620, 651, 735, 821, 868, 930, 980, 1085, 1302, 1470, 1519, 1642, 1860, 2170, 2463, 2604, 2940, 3038, 3255, 3284, 4105, 4340, 4557, 4926, 5747, 6076, 6510, 7595, 8210, 9114, 9852, 11494, 12315, 13020, 15190, 16420, 17241, 18228, 22785, 22988, 24630, 25451, 28735, 30380, 34482, 40229, 45570, 49260, 50902, 57470, 68964, 76353, 80458, 86205, 91140, 101804, 114940, 120687, 127255, 152706, 160916, 172410, 178157, 201145, 241374, 254510, 305412, 344820, 356314, 381765, 402290, 482748, 509020, 534471, 603435, 712628, 763530, 804580, 890785, 1068942, 1206870, 1247099, 1527060, 1781570, 2137884, 2413740, 2494198, 2672355, 3563140, 3741297, 4988396, 5344710, 6235495, 7482594, 10689420, 12470990, 14965188, 18706485, 24941980, 37412970, 74825940]

約数ペア:

[(1, 74825940), (2, 37412970), (3, 24941980), (4, 18706485), (5, 14965188), (6, 12470990), (7, 10689420), (10, 7482594), (12, 6235495), (14, 5344710), (15, 4988396), (20, 3741297), (21, 3563140), (28, 2672355), (30, 2494198), (31, 2413740), (35, 2137884), (42, 1781570), (49, 1527060), (60, 1247099), (62, 1206870), (70, 1068942), (84, 890785), (93, 804580), (98, 763530), (105, 712628), (124, 603435), (140, 534471), (147, 509020), (155, 482748), (186, 402290), (196, 381765), (210, 356314), (217, 344820), (245, 305412), (294, 254510), (310, 241374), (372, 201145), (420, 178157), (434, 172410), (465, 160916), (490, 152706), (588, 127255), (620, 120687), (651, 114940), (735, 101804), (821, 91140), (868, 86205), (930, 80458), (980, 76353), (1085, 68964), (1302, 57470), (1470, 50902), (1519, 49260), (1642, 45570), (1860, 40229), (2170, 34482), (2463, 30380), (2604, 28735), (2940, 25451), (3038, 24630), (3255, 22988), (3284, 22785), (4105, 18228), (4340, 17241), (4557, 16420), (4926, 15190), (5747, 13020), (6076, 12315), (6510, 11494), (7595, 9852), (8210, 9114)]