128128800

素因数分解:

$2^5\times 3^1\times 5^2\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:491

約数の個数: 144

約数和(自身を含む): 420723072

約数和(自身を除く): 292594272

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 75, 80, 96, 100, 120, 150, 160, 197, 200, 240, 271, 300, 394, 400, 480, 542, 591, 600, 788, 800, 813, 985, 1084, 1182, 1200, 1355, 1576, 1626, 1970, 2168, 2364, 2400, 2710, 2955, 3152, 3252, 3940, 4065, 4336, 4728, 4925, 5420, 5910, 6304, 6504, 6775, 7880, 8130, 8672, 9456, 9850, 10840, 11820, 13008, 13550, 14775, 15760, 16260, 18912, 19700, 20325, 21680, 23640, 26016, 27100, 29550, 31520, 32520, 39400, 40650, 43360, 47280, 53387, 54200, 59100, 65040, 78800, 81300, 94560, 106774, 108400, 118200, 130080, 157600, 160161, 162600, 213548, 216800, 236400, 266935, 320322, 325200, 427096, 472800, 533870, 640644, 650400, 800805, 854192, 1067740, 1281288, 1334675, 1601610, 1708384, 2135480, 2562576, 2669350, 3203220, 4004025, 4270960, 5125152, 5338700, 6406440, 8008050, 8541920, 10677400, 12812880, 16016100, 21354800, 25625760, 32032200, 42709600, 64064400, 128128800]

約数ペア:

[(1, 128128800), (2, 64064400), (3, 42709600), (4, 32032200), (5, 25625760), (6, 21354800), (8, 16016100), (10, 12812880), (12, 10677400), (15, 8541920), (16, 8008050), (20, 6406440), (24, 5338700), (25, 5125152), (30, 4270960), (32, 4004025), (40, 3203220), (48, 2669350), (50, 2562576), (60, 2135480), (75, 1708384), (80, 1601610), (96, 1334675), (100, 1281288), (120, 1067740), (150, 854192), (160, 800805), (197, 650400), (200, 640644), (240, 533870), (271, 472800), (300, 427096), (394, 325200), (400, 320322), (480, 266935), (542, 236400), (591, 216800), (600, 213548), (788, 162600), (800, 160161), (813, 157600), (985, 130080), (1084, 118200), (1182, 108400), (1200, 106774), (1355, 94560), (1576, 81300), (1626, 78800), (1970, 65040), (2168, 59100), (2364, 54200), (2400, 53387), (2710, 47280), (2955, 43360), (3152, 40650), (3252, 39400), (3940, 32520), (4065, 31520), (4336, 29550), (4728, 27100), (4925, 26016), (5420, 23640), (5910, 21680), (6304, 20325), (6504, 19700), (6775, 18912), (7880, 16260), (8130, 15760), (8672, 14775), (9456, 13550), (9850, 13008), (10840, 11820)]