19800312960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{191}}^1\times {\mathrm{53993}}^1$

素因数の和:54206

約数の個数: 128

約数和(自身を含む): 63445109760

約数和(自身を除く): 43644796800

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 191, 192, 240, 320, 382, 384, 480, 573, 640, 764, 955, 960, 1146, 1528, 1910, 1920, 2292, 2865, 3056, 3820, 4584, 5730, 6112, 7640, 9168, 11460, 12224, 15280, 18336, 22920, 24448, 30560, 36672, 45840, 53993, 61120, 73344, 91680, 107986, 122240, 161979, 183360, 215972, 269965, 323958, 366720, 431944, 539930, 647916, 809895, 863888, 1079860, 1295832, 1619790, 1727776, 2159720, 2591664, 3239580, 3455552, 4319440, 5183328, 6479160, 6911104, 8638880, 10312663, 10366656, 12958320, 17277760, 20625326, 20733312, 25916640, 30937989, 34555520, 41250652, 51563315, 51833280, 61875978, 82501304, 103126630, 103666560, 123751956, 154689945, 165002608, 206253260, 247503912, 309379890, 330005216, 412506520, 495007824, 618759780, 660010432, 825013040, 990015648, 1237519560, 1320020864, 1650026080, 1980031296, 2475039120, 3300052160, 3960062592, 4950078240, 6600104320, 9900156480, 19800312960]

約数ペア:

[(1, 19800312960), (2, 9900156480), (3, 6600104320), (4, 4950078240), (5, 3960062592), (6, 3300052160), (8, 2475039120), (10, 1980031296), (12, 1650026080), (15, 1320020864), (16, 1237519560), (20, 990015648), (24, 825013040), (30, 660010432), (32, 618759780), (40, 495007824), (48, 412506520), (60, 330005216), (64, 309379890), (80, 247503912), (96, 206253260), (120, 165002608), (128, 154689945), (160, 123751956), (191, 103666560), (192, 103126630), (240, 82501304), (320, 61875978), (382, 51833280), (384, 51563315), (480, 41250652), (573, 34555520), (640, 30937989), (764, 25916640), (955, 20733312), (960, 20625326), (1146, 17277760), (1528, 12958320), (1910, 10366656), (1920, 10312663), (2292, 8638880), (2865, 6911104), (3056, 6479160), (3820, 5183328), (4584, 4319440), (5730, 3455552), (6112, 3239580), (7640, 2591664), (9168, 2159720), (11460, 1727776), (12224, 1619790), (15280, 1295832), (18336, 1079860), (22920, 863888), (24448, 809895), (30560, 647916), (36672, 539930), (45840, 431944), (53993, 366720), (61120, 323958), (73344, 269965), (91680, 215972), (107986, 183360), (122240, 161979)]