128178750

素因数分解:

$2^1\times 3^1\times 5^4\times 7^1\times {\mathrm{19}}^1\times {\mathrm{257}}^1$

素因数の和:308

約数の個数: 160

約数和(自身を含む): 386876160

約数和(自身を除く): 258697410

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 25, 30, 35, 38, 42, 50, 57, 70, 75, 95, 105, 114, 125, 133, 150, 175, 190, 210, 250, 257, 266, 285, 350, 375, 399, 475, 514, 525, 570, 625, 665, 750, 771, 798, 875, 950, 1050, 1250, 1285, 1330, 1425, 1542, 1750, 1799, 1875, 1995, 2375, 2570, 2625, 2850, 3325, 3598, 3750, 3855, 3990, 4375, 4750, 4883, 5250, 5397, 6425, 6650, 7125, 7710, 8750, 8995, 9766, 9975, 10794, 11875, 12850, 13125, 14250, 14649, 16625, 17990, 19275, 19950, 23750, 24415, 26250, 26985, 29298, 32125, 33250, 34181, 35625, 38550, 44975, 48830, 49875, 53970, 64250, 68362, 71250, 73245, 83125, 89950, 96375, 99750, 102543, 122075, 134925, 146490, 160625, 166250, 170905, 192750, 205086, 224875, 244150, 249375, 269850, 321250, 341810, 366225, 449750, 481875, 498750, 512715, 610375, 674625, 732450, 854525, 963750, 1025430, 1124375, 1220750, 1349250, 1709050, 1831125, 2248750, 2563575, 3051875, 3373125, 3662250, 4272625, 5127150, 6103750, 6746250, 8545250, 9155625, 12817875, 18311250, 21363125, 25635750, 42726250, 64089375, 128178750]

約数ペア:

[(1, 128178750), (2, 64089375), (3, 42726250), (5, 25635750), (6, 21363125), (7, 18311250), (10, 12817875), (14, 9155625), (15, 8545250), (19, 6746250), (21, 6103750), (25, 5127150), (30, 4272625), (35, 3662250), (38, 3373125), (42, 3051875), (50, 2563575), (57, 2248750), (70, 1831125), (75, 1709050), (95, 1349250), (105, 1220750), (114, 1124375), (125, 1025430), (133, 963750), (150, 854525), (175, 732450), (190, 674625), (210, 610375), (250, 512715), (257, 498750), (266, 481875), (285, 449750), (350, 366225), (375, 341810), (399, 321250), (475, 269850), (514, 249375), (525, 244150), (570, 224875), (625, 205086), (665, 192750), (750, 170905), (771, 166250), (798, 160625), (875, 146490), (950, 134925), (1050, 122075), (1250, 102543), (1285, 99750), (1330, 96375), (1425, 89950), (1542, 83125), (1750, 73245), (1799, 71250), (1875, 68362), (1995, 64250), (2375, 53970), (2570, 49875), (2625, 48830), (2850, 44975), (3325, 38550), (3598, 35625), (3750, 34181), (3855, 33250), (3990, 32125), (4375, 29298), (4750, 26985), (4883, 26250), (5250, 24415), (5397, 23750), (6425, 19950), (6650, 19275), (7125, 17990), (7710, 16625), (8750, 14649), (8995, 14250), (9766, 13125), (9975, 12850), (10794, 11875)]