204220680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1213}}^1$

素因数の和:1311

約数の個数: 128

約数和(自身を含む): 650315520

約数和(自身を除く): 446094840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 23, 24, 30, 40, 46, 60, 61, 69, 92, 115, 120, 122, 138, 183, 184, 230, 244, 276, 305, 345, 366, 460, 488, 552, 610, 690, 732, 915, 920, 1213, 1220, 1380, 1403, 1464, 1830, 2426, 2440, 2760, 2806, 3639, 3660, 4209, 4852, 5612, 6065, 7015, 7278, 7320, 8418, 9704, 11224, 12130, 14030, 14556, 16836, 18195, 21045, 24260, 27899, 28060, 29112, 33672, 36390, 42090, 48520, 55798, 56120, 72780, 73993, 83697, 84180, 111596, 139495, 145560, 147986, 167394, 168360, 221979, 223192, 278990, 295972, 334788, 369965, 418485, 443958, 557980, 591944, 669576, 739930, 836970, 887916, 1109895, 1115960, 1479860, 1673940, 1701839, 1775832, 2219790, 2959720, 3347880, 3403678, 4439580, 5105517, 6807356, 8509195, 8879160, 10211034, 13614712, 17018390, 20422068, 25527585, 34036780, 40844136, 51055170, 68073560, 102110340, 204220680]

約数ペア:

[(1, 204220680), (2, 102110340), (3, 68073560), (4, 51055170), (5, 40844136), (6, 34036780), (8, 25527585), (10, 20422068), (12, 17018390), (15, 13614712), (20, 10211034), (23, 8879160), (24, 8509195), (30, 6807356), (40, 5105517), (46, 4439580), (60, 3403678), (61, 3347880), (69, 2959720), (92, 2219790), (115, 1775832), (120, 1701839), (122, 1673940), (138, 1479860), (183, 1115960), (184, 1109895), (230, 887916), (244, 836970), (276, 739930), (305, 669576), (345, 591944), (366, 557980), (460, 443958), (488, 418485), (552, 369965), (610, 334788), (690, 295972), (732, 278990), (915, 223192), (920, 221979), (1213, 168360), (1220, 167394), (1380, 147986), (1403, 145560), (1464, 139495), (1830, 111596), (2426, 84180), (2440, 83697), (2760, 73993), (2806, 72780), (3639, 56120), (3660, 55798), (4209, 48520), (4852, 42090), (5612, 36390), (6065, 33672), (7015, 29112), (7278, 28060), (7320, 27899), (8418, 24260), (9704, 21045), (11224, 18195), (12130, 16836), (14030, 14556)]