1312952520

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{21163}}^1$

素因数の和:21235

約数の個数: 128

約数和(自身を含む): 4388567040

約数和(自身を除く): 3075614520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 47, 55, 60, 66, 88, 94, 110, 120, 132, 141, 165, 188, 220, 235, 264, 282, 330, 376, 440, 470, 517, 564, 660, 705, 940, 1034, 1128, 1320, 1410, 1551, 1880, 2068, 2585, 2820, 3102, 4136, 5170, 5640, 6204, 7755, 10340, 12408, 15510, 20680, 21163, 31020, 42326, 62040, 63489, 84652, 105815, 126978, 169304, 211630, 232793, 253956, 317445, 423260, 465586, 507912, 634890, 698379, 846520, 931172, 994661, 1163965, 1269780, 1396758, 1862344, 1989322, 2327930, 2539560, 2793516, 2983983, 3491895, 3978644, 4655860, 4973305, 5587032, 5967966, 6983790, 7957288, 9311720, 9946610, 10941271, 11935932, 13967580, 14919915, 19893220, 21882542, 23871864, 27935160, 29839830, 32823813, 39786440, 43765084, 54706355, 59679660, 65647626, 87530168, 109412710, 119359320, 131295252, 164119065, 218825420, 262590504, 328238130, 437650840, 656476260, 1312952520]

約数ペア:

[(1, 1312952520), (2, 656476260), (3, 437650840), (4, 328238130), (5, 262590504), (6, 218825420), (8, 164119065), (10, 131295252), (11, 119359320), (12, 109412710), (15, 87530168), (20, 65647626), (22, 59679660), (24, 54706355), (30, 43765084), (33, 39786440), (40, 32823813), (44, 29839830), (47, 27935160), (55, 23871864), (60, 21882542), (66, 19893220), (88, 14919915), (94, 13967580), (110, 11935932), (120, 10941271), (132, 9946610), (141, 9311720), (165, 7957288), (188, 6983790), (220, 5967966), (235, 5587032), (264, 4973305), (282, 4655860), (330, 3978644), (376, 3491895), (440, 2983983), (470, 2793516), (517, 2539560), (564, 2327930), (660, 1989322), (705, 1862344), (940, 1396758), (1034, 1269780), (1128, 1163965), (1320, 994661), (1410, 931172), (1551, 846520), (1880, 698379), (2068, 634890), (2585, 507912), (2820, 465586), (3102, 423260), (4136, 317445), (5170, 253956), (5640, 232793), (6204, 211630), (7755, 169304), (10340, 126978), (12408, 105815), (15510, 84652), (20680, 63489), (21163, 62040), (31020, 42326)]