204519720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{631}}^1$

素因数の和:755

約数の個数: 128

約数和(自身を含む): 639786240

約数和(自身を除く): 435266520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 37, 40, 60, 73, 74, 111, 120, 146, 148, 185, 219, 222, 292, 296, 365, 370, 438, 444, 555, 584, 631, 730, 740, 876, 888, 1095, 1110, 1262, 1460, 1480, 1752, 1893, 2190, 2220, 2524, 2701, 2920, 3155, 3786, 4380, 4440, 5048, 5402, 6310, 7572, 8103, 8760, 9465, 10804, 12620, 13505, 15144, 16206, 18930, 21608, 23347, 25240, 27010, 32412, 37860, 40515, 46063, 46694, 54020, 64824, 70041, 75720, 81030, 92126, 93388, 108040, 116735, 138189, 140082, 162060, 184252, 186776, 230315, 233470, 276378, 280164, 324120, 350205, 368504, 460630, 466940, 552756, 560328, 690945, 700410, 921260, 933880, 1105512, 1381890, 1400820, 1704331, 1842520, 2763780, 2801640, 3408662, 5112993, 5527560, 6817324, 8521655, 10225986, 13634648, 17043310, 20451972, 25564965, 34086620, 40903944, 51129930, 68173240, 102259860, 204519720]

約数ペア:

[(1, 204519720), (2, 102259860), (3, 68173240), (4, 51129930), (5, 40903944), (6, 34086620), (8, 25564965), (10, 20451972), (12, 17043310), (15, 13634648), (20, 10225986), (24, 8521655), (30, 6817324), (37, 5527560), (40, 5112993), (60, 3408662), (73, 2801640), (74, 2763780), (111, 1842520), (120, 1704331), (146, 1400820), (148, 1381890), (185, 1105512), (219, 933880), (222, 921260), (292, 700410), (296, 690945), (365, 560328), (370, 552756), (438, 466940), (444, 460630), (555, 368504), (584, 350205), (631, 324120), (730, 280164), (740, 276378), (876, 233470), (888, 230315), (1095, 186776), (1110, 184252), (1262, 162060), (1460, 140082), (1480, 138189), (1752, 116735), (1893, 108040), (2190, 93388), (2220, 92126), (2524, 81030), (2701, 75720), (2920, 70041), (3155, 64824), (3786, 54020), (4380, 46694), (4440, 46063), (5048, 40515), (5402, 37860), (6310, 32412), (7572, 27010), (8103, 25240), (8760, 23347), (9465, 21608), (10804, 18930), (12620, 16206), (13505, 15144)]