278340000

素因数分解:

$2^5\times 3^1\times 5^4\times {\mathrm{4639}}^1$

素因数の和:4672

約数の個数: 120

約数和(自身を含む): 913207680

約数和(自身を除く): 634867680

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, 125, 150, 160, 200, 240, 250, 300, 375, 400, 480, 500, 600, 625, 750, 800, 1000, 1200, 1250, 1500, 1875, 2000, 2400, 2500, 3000, 3750, 4000, 4639, 5000, 6000, 7500, 9278, 10000, 12000, 13917, 15000, 18556, 20000, 23195, 27834, 30000, 37112, 46390, 55668, 60000, 69585, 74224, 92780, 111336, 115975, 139170, 148448, 185560, 222672, 231950, 278340, 347925, 371120, 445344, 463900, 556680, 579875, 695850, 742240, 927800, 1113360, 1159750, 1391700, 1739625, 1855600, 2226720, 2319500, 2783400, 2899375, 3479250, 3711200, 4639000, 5566800, 5798750, 6958500, 8698125, 9278000, 11133600, 11597500, 13917000, 17396250, 18556000, 23195000, 27834000, 34792500, 46390000, 55668000, 69585000, 92780000, 139170000, 278340000]

約数ペア:

[(1, 278340000), (2, 139170000), (3, 92780000), (4, 69585000), (5, 55668000), (6, 46390000), (8, 34792500), (10, 27834000), (12, 23195000), (15, 18556000), (16, 17396250), (20, 13917000), (24, 11597500), (25, 11133600), (30, 9278000), (32, 8698125), (40, 6958500), (48, 5798750), (50, 5566800), (60, 4639000), (75, 3711200), (80, 3479250), (96, 2899375), (100, 2783400), (120, 2319500), (125, 2226720), (150, 1855600), (160, 1739625), (200, 1391700), (240, 1159750), (250, 1113360), (300, 927800), (375, 742240), (400, 695850), (480, 579875), (500, 556680), (600, 463900), (625, 445344), (750, 371120), (800, 347925), (1000, 278340), (1200, 231950), (1250, 222672), (1500, 185560), (1875, 148448), (2000, 139170), (2400, 115975), (2500, 111336), (3000, 92780), (3750, 74224), (4000, 69585), (4639, 60000), (5000, 55668), (6000, 46390), (7500, 37112), (9278, 30000), (10000, 27834), (12000, 23195), (13917, 20000), (15000, 18556)]