855405840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{1721}}^1$

素因数の和:1865

約数の個数: 160

約数和(自身を含む): 2818569600

約数和(自身を除く): 1963163760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 19, 20, 24, 30, 38, 40, 48, 57, 60, 76, 80, 95, 109, 114, 120, 152, 190, 218, 228, 240, 285, 304, 327, 380, 436, 456, 545, 570, 654, 760, 872, 912, 1090, 1140, 1308, 1520, 1635, 1721, 1744, 2071, 2180, 2280, 2616, 3270, 3442, 4142, 4360, 4560, 5163, 5232, 6213, 6540, 6884, 8284, 8605, 8720, 10326, 10355, 12426, 13080, 13768, 16568, 17210, 20652, 20710, 24852, 25815, 26160, 27536, 31065, 32699, 33136, 34420, 41304, 41420, 49704, 51630, 62130, 65398, 68840, 82608, 82840, 98097, 99408, 103260, 124260, 130796, 137680, 163495, 165680, 187589, 196194, 206520, 248520, 261592, 326990, 375178, 392388, 413040, 490485, 497040, 523184, 562767, 653980, 750356, 784776, 937945, 980970, 1125534, 1307960, 1500712, 1569552, 1875890, 1961940, 2251068, 2615920, 2813835, 3001424, 3564191, 3751780, 3923880, 4502136, 5627670, 7128382, 7503560, 7847760, 9004272, 10692573, 11255340, 14256764, 15007120, 17820955, 21385146, 22510680, 28513528, 35641910, 42770292, 45021360, 53462865, 57027056, 71283820, 85540584, 106925730, 142567640, 171081168, 213851460, 285135280, 427702920, 855405840]

約数ペア:

[(1, 855405840), (2, 427702920), (3, 285135280), (4, 213851460), (5, 171081168), (6, 142567640), (8, 106925730), (10, 85540584), (12, 71283820), (15, 57027056), (16, 53462865), (19, 45021360), (20, 42770292), (24, 35641910), (30, 28513528), (38, 22510680), (40, 21385146), (48, 17820955), (57, 15007120), (60, 14256764), (76, 11255340), (80, 10692573), (95, 9004272), (109, 7847760), (114, 7503560), (120, 7128382), (152, 5627670), (190, 4502136), (218, 3923880), (228, 3751780), (240, 3564191), (285, 3001424), (304, 2813835), (327, 2615920), (380, 2251068), (436, 1961940), (456, 1875890), (545, 1569552), (570, 1500712), (654, 1307960), (760, 1125534), (872, 980970), (912, 937945), (1090, 784776), (1140, 750356), (1308, 653980), (1520, 562767), (1635, 523184), (1721, 497040), (1744, 490485), (2071, 413040), (2180, 392388), (2280, 375178), (2616, 326990), (3270, 261592), (3442, 248520), (4142, 206520), (4360, 196194), (4560, 187589), (5163, 165680), (5232, 163495), (6213, 137680), (6540, 130796), (6884, 124260), (8284, 103260), (8605, 99408), (8720, 98097), (10326, 82840), (10355, 82608), (12426, 68840), (13080, 65398), (13768, 62130), (16568, 51630), (17210, 49704), (20652, 41420), (20710, 41304), (24852, 34420), (25815, 33136), (26160, 32699), (27536, 31065)]