20322750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^3\times {\mathrm{79}}^1$

素因数の和:120

約数の個数: 128

約数和(自身を含む): 59904000

約数和(自身を除く): 39581250

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 25, 30, 35, 42, 49, 50, 70, 75, 79, 98, 105, 125, 147, 150, 158, 175, 210, 237, 245, 250, 294, 343, 350, 375, 395, 474, 490, 525, 553, 686, 735, 750, 790, 875, 1029, 1050, 1106, 1185, 1225, 1470, 1659, 1715, 1750, 1975, 2058, 2370, 2450, 2625, 2765, 3318, 3430, 3675, 3871, 3950, 5145, 5250, 5530, 5925, 6125, 7350, 7742, 8295, 8575, 9875, 10290, 11613, 11850, 12250, 13825, 16590, 17150, 18375, 19355, 19750, 23226, 25725, 27097, 27650, 29625, 36750, 38710, 41475, 42875, 51450, 54194, 58065, 59250, 69125, 81291, 82950, 85750, 96775, 116130, 128625, 135485, 138250, 162582, 193550, 207375, 257250, 270970, 290325, 406455, 414750, 483875, 580650, 677425, 812910, 967750, 1354850, 1451625, 2032275, 2903250, 3387125, 4064550, 6774250, 10161375, 20322750]

約数ペア:

[(1, 20322750), (2, 10161375), (3, 6774250), (5, 4064550), (6, 3387125), (7, 2903250), (10, 2032275), (14, 1451625), (15, 1354850), (21, 967750), (25, 812910), (30, 677425), (35, 580650), (42, 483875), (49, 414750), (50, 406455), (70, 290325), (75, 270970), (79, 257250), (98, 207375), (105, 193550), (125, 162582), (147, 138250), (150, 135485), (158, 128625), (175, 116130), (210, 96775), (237, 85750), (245, 82950), (250, 81291), (294, 69125), (343, 59250), (350, 58065), (375, 54194), (395, 51450), (474, 42875), (490, 41475), (525, 38710), (553, 36750), (686, 29625), (735, 27650), (750, 27097), (790, 25725), (875, 23226), (1029, 19750), (1050, 19355), (1106, 18375), (1185, 17150), (1225, 16590), (1470, 13825), (1659, 12250), (1715, 11850), (1750, 11613), (1975, 10290), (2058, 9875), (2370, 8575), (2450, 8295), (2625, 7742), (2765, 7350), (3318, 6125), (3430, 5925), (3675, 5530), (3871, 5250), (3950, 5145)]