640929600

素因数分解:

$2^6\times 3^2\times 5^2\times {\mathrm{47}}^1\times {\mathrm{947}}^1$

素因数の和:1022

約数の個数: 252

約数和(自身を含む): 2328940224

約数和(自身を除く): 1688010624

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 47, 48, 50, 60, 64, 72, 75, 80, 90, 94, 96, 100, 120, 141, 144, 150, 160, 180, 188, 192, 200, 225, 235, 240, 282, 288, 300, 320, 360, 376, 400, 423, 450, 470, 480, 564, 576, 600, 705, 720, 752, 800, 846, 900, 940, 947, 960, 1128, 1175, 1200, 1410, 1440, 1504, 1600, 1692, 1800, 1880, 1894, 2115, 2256, 2350, 2400, 2820, 2841, 2880, 3008, 3384, 3525, 3600, 3760, 3788, 4230, 4512, 4700, 4735, 4800, 5640, 5682, 6768, 7050, 7200, 7520, 7576, 8460, 8523, 9024, 9400, 9470, 10575, 11280, 11364, 13536, 14100, 14205, 14400, 15040, 15152, 16920, 17046, 18800, 18940, 21150, 22560, 22728, 23675, 27072, 28200, 28410, 30304, 33840, 34092, 37600, 37880, 42300, 42615, 44509, 45120, 45456, 47350, 56400, 56820, 60608, 67680, 68184, 71025, 75200, 75760, 84600, 85230, 89018, 90912, 94700, 112800, 113640, 133527, 135360, 136368, 142050, 151520, 169200, 170460, 178036, 181824, 189400, 213075, 222545, 225600, 227280, 267054, 272736, 284100, 303040, 338400, 340920, 356072, 378800, 400581, 426150, 445090, 454560, 534108, 545472, 568200, 667635, 676800, 681840, 712144, 757600, 801162, 852300, 890180, 909120, 1068216, 1112725, 1136400, 1335270, 1363680, 1424288, 1515200, 1602324, 1704600, 1780360, 2002905, 2136432, 2225450, 2272800, 2670540, 2727360, 2848576, 3204648, 3338175, 3409200, 3560720, 4005810, 4272864, 4450900, 4545600, 5341080, 6409296, 6676350, 6818400, 7121440, 8011620, 8545728, 8901800, 10014525, 10682160, 12818592, 13352700, 13636800, 14242880, 16023240, 17803600, 20029050, 21364320, 25637184, 26705400, 32046480, 35607200, 40058100, 42728640, 53410800, 64092960, 71214400, 80116200, 106821600, 128185920, 160232400, 213643200, 320464800, 640929600]

約数ペア:

[(1, 640929600), (2, 320464800), (3, 213643200), (4, 160232400), (5, 128185920), (6, 106821600), (8, 80116200), (9, 71214400), (10, 64092960), (12, 53410800), (15, 42728640), (16, 40058100), (18, 35607200), (20, 32046480), (24, 26705400), (25, 25637184), (30, 21364320), (32, 20029050), (36, 17803600), (40, 16023240), (45, 14242880), (47, 13636800), (48, 13352700), (50, 12818592), (60, 10682160), (64, 10014525), (72, 8901800), (75, 8545728), (80, 8011620), (90, 7121440), (94, 6818400), (96, 6676350), (100, 6409296), (120, 5341080), (141, 4545600), (144, 4450900), (150, 4272864), (160, 4005810), (180, 3560720), (188, 3409200), (192, 3338175), (200, 3204648), (225, 2848576), (235, 2727360), (240, 2670540), (282, 2272800), (288, 2225450), (300, 2136432), (320, 2002905), (360, 1780360), (376, 1704600), (400, 1602324), (423, 1515200), (450, 1424288), (470, 1363680), (480, 1335270), (564, 1136400), (576, 1112725), (600, 1068216), (705, 909120), (720, 890180), (752, 852300), (800, 801162), (846, 757600), (900, 712144), (940, 681840), (947, 676800), (960, 667635), (1128, 568200), (1175, 545472), (1200, 534108), (1410, 454560), (1440, 445090), (1504, 426150), (1600, 400581), (1692, 378800), (1800, 356072), (1880, 340920), (1894, 338400), (2115, 303040), (2256, 284100), (2350, 272736), (2400, 267054), (2820, 227280), (2841, 225600), (2880, 222545), (3008, 213075), (3384, 189400), (3525, 181824), (3600, 178036), (3760, 170460), (3788, 169200), (4230, 151520), (4512, 142050), (4700, 136368), (4735, 135360), (4800, 133527), (5640, 113640), (5682, 112800), (6768, 94700), (7050, 90912), (7200, 89018), (7520, 85230), (7576, 84600), (8460, 75760), (8523, 75200), (9024, 71025), (9400, 68184), (9470, 67680), (10575, 60608), (11280, 56820), (11364, 56400), (13536, 47350), (14100, 45456), (14205, 45120), (14400, 44509), (15040, 42615), (15152, 42300), (16920, 37880), (17046, 37600), (18800, 34092), (18940, 33840), (21150, 30304), (22560, 28410), (22728, 28200), (23675, 27072)]