278016800

素因数分解:

$2^5\times 5^2\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{83}}^1$

素因数の和:235

約数の個数: 144

約数和(自身を含む): 708704640

約数和(自身を除く): 430687840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 53, 79, 80, 83, 100, 106, 158, 160, 166, 200, 212, 265, 316, 332, 395, 400, 415, 424, 530, 632, 664, 790, 800, 830, 848, 1060, 1264, 1325, 1328, 1580, 1660, 1696, 1975, 2075, 2120, 2528, 2650, 2656, 3160, 3320, 3950, 4150, 4187, 4240, 4399, 5300, 6320, 6557, 6640, 7900, 8300, 8374, 8480, 8798, 10600, 12640, 13114, 13280, 15800, 16600, 16748, 17596, 20935, 21200, 21995, 26228, 31600, 32785, 33200, 33496, 35192, 41870, 42400, 43990, 52456, 63200, 65570, 66400, 66992, 70384, 83740, 87980, 104675, 104912, 109975, 131140, 133984, 140768, 163925, 167480, 175960, 209350, 209824, 219950, 262280, 327850, 334960, 347521, 351920, 418700, 439900, 524560, 655700, 669920, 695042, 703840, 837400, 879800, 1049120, 1311400, 1390084, 1674800, 1737605, 1759600, 2622800, 2780168, 3349600, 3475210, 3519200, 5245600, 5560336, 6950420, 8688025, 11120672, 13900840, 17376050, 27801680, 34752100, 55603360, 69504200, 139008400, 278016800]

約数ペア:

[(1, 278016800), (2, 139008400), (4, 69504200), (5, 55603360), (8, 34752100), (10, 27801680), (16, 17376050), (20, 13900840), (25, 11120672), (32, 8688025), (40, 6950420), (50, 5560336), (53, 5245600), (79, 3519200), (80, 3475210), (83, 3349600), (100, 2780168), (106, 2622800), (158, 1759600), (160, 1737605), (166, 1674800), (200, 1390084), (212, 1311400), (265, 1049120), (316, 879800), (332, 837400), (395, 703840), (400, 695042), (415, 669920), (424, 655700), (530, 524560), (632, 439900), (664, 418700), (790, 351920), (800, 347521), (830, 334960), (848, 327850), (1060, 262280), (1264, 219950), (1325, 209824), (1328, 209350), (1580, 175960), (1660, 167480), (1696, 163925), (1975, 140768), (2075, 133984), (2120, 131140), (2528, 109975), (2650, 104912), (2656, 104675), (3160, 87980), (3320, 83740), (3950, 70384), (4150, 66992), (4187, 66400), (4240, 65570), (4399, 63200), (5300, 52456), (6320, 43990), (6557, 42400), (6640, 41870), (7900, 35192), (8300, 33496), (8374, 33200), (8480, 32785), (8798, 31600), (10600, 26228), (12640, 21995), (13114, 21200), (13280, 20935), (15800, 17596), (16600, 16748)]