20553750

素因数分解:

$2^1\times 3^4\times 5^4\times 7^1\times {\mathrm{29}}^1$

素因数の和:70

約数の個数: 200

約数和(自身を含む): 68040720

約数和(自身を除く): 47486970

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 29, 30, 35, 42, 45, 50, 54, 58, 63, 70, 75, 81, 87, 90, 105, 125, 126, 135, 145, 150, 162, 174, 175, 189, 203, 210, 225, 250, 261, 270, 290, 315, 350, 375, 378, 405, 406, 435, 450, 522, 525, 567, 609, 625, 630, 675, 725, 750, 783, 810, 870, 875, 945, 1015, 1050, 1125, 1134, 1218, 1250, 1305, 1350, 1450, 1566, 1575, 1750, 1827, 1875, 1890, 2025, 2030, 2175, 2250, 2349, 2610, 2625, 2835, 3045, 3150, 3375, 3625, 3654, 3750, 3915, 4050, 4350, 4375, 4698, 4725, 5075, 5250, 5481, 5625, 5670, 6090, 6525, 6750, 7250, 7830, 7875, 8750, 9135, 9450, 10125, 10150, 10875, 10962, 11250, 11745, 13050, 13125, 14175, 15225, 15750, 16443, 16875, 18125, 18270, 19575, 20250, 21750, 23490, 23625, 25375, 26250, 27405, 28350, 30450, 32625, 32886, 33750, 36250, 39150, 39375, 45675, 47250, 50625, 50750, 54375, 54810, 58725, 65250, 70875, 76125, 78750, 82215, 91350, 97875, 101250, 108750, 117450, 118125, 126875, 137025, 141750, 152250, 163125, 164430, 195750, 228375, 236250, 253750, 274050, 293625, 326250, 354375, 380625, 411075, 456750, 489375, 587250, 685125, 708750, 761250, 822150, 978750, 1141875, 1370250, 1468125, 2055375, 2283750, 2936250, 3425625, 4110750, 6851250, 10276875, 20553750]

約数ペア:

[(1, 20553750), (2, 10276875), (3, 6851250), (5, 4110750), (6, 3425625), (7, 2936250), (9, 2283750), (10, 2055375), (14, 1468125), (15, 1370250), (18, 1141875), (21, 978750), (25, 822150), (27, 761250), (29, 708750), (30, 685125), (35, 587250), (42, 489375), (45, 456750), (50, 411075), (54, 380625), (58, 354375), (63, 326250), (70, 293625), (75, 274050), (81, 253750), (87, 236250), (90, 228375), (105, 195750), (125, 164430), (126, 163125), (135, 152250), (145, 141750), (150, 137025), (162, 126875), (174, 118125), (175, 117450), (189, 108750), (203, 101250), (210, 97875), (225, 91350), (250, 82215), (261, 78750), (270, 76125), (290, 70875), (315, 65250), (350, 58725), (375, 54810), (378, 54375), (405, 50750), (406, 50625), (435, 47250), (450, 45675), (522, 39375), (525, 39150), (567, 36250), (609, 33750), (625, 32886), (630, 32625), (675, 30450), (725, 28350), (750, 27405), (783, 26250), (810, 25375), (870, 23625), (875, 23490), (945, 21750), (1015, 20250), (1050, 19575), (1125, 18270), (1134, 18125), (1218, 16875), (1250, 16443), (1305, 15750), (1350, 15225), (1450, 14175), (1566, 13125), (1575, 13050), (1750, 11745), (1827, 11250), (1875, 10962), (1890, 10875), (2025, 10150), (2030, 10125), (2175, 9450), (2250, 9135), (2349, 8750), (2610, 7875), (2625, 7830), (2835, 7250), (3045, 6750), (3150, 6525), (3375, 6090), (3625, 5670), (3654, 5625), (3750, 5481), (3915, 5250), (4050, 5075), (4350, 4725), (4375, 4698)]