1900781520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{15319}}^1$

素因数の和:15393

約数の個数: 160

約数和(自身を含む): 6565294080

約数和(自身を除く): 4664512560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 47, 48, 55, 60, 66, 80, 88, 94, 110, 120, 132, 141, 165, 176, 188, 220, 235, 240, 264, 282, 330, 376, 440, 470, 517, 528, 564, 660, 705, 752, 880, 940, 1034, 1128, 1320, 1410, 1551, 1880, 2068, 2256, 2585, 2640, 2820, 3102, 3760, 4136, 5170, 5640, 6204, 7755, 8272, 10340, 11280, 12408, 15319, 15510, 20680, 24816, 30638, 31020, 41360, 45957, 61276, 62040, 76595, 91914, 122552, 124080, 153190, 168509, 183828, 229785, 245104, 306380, 337018, 367656, 459570, 505527, 612760, 674036, 719993, 735312, 842545, 919140, 1011054, 1225520, 1348072, 1439986, 1685090, 1838280, 2022108, 2159979, 2527635, 2696144, 2879972, 3370180, 3599965, 3676560, 4044216, 4319958, 5055270, 5759944, 6740360, 7199930, 7919923, 8088432, 8639916, 10110540, 10799895, 11519888, 13480720, 14399860, 15839846, 17279832, 20221080, 21599790, 23759769, 28799720, 31679692, 34559664, 39599615, 40442160, 43199580, 47519538, 57599440, 63359384, 79199230, 86399160, 95039076, 118798845, 126718768, 158398460, 172798320, 190078152, 237597690, 316796920, 380156304, 475195380, 633593840, 950390760, 1900781520]

約数ペア:

[(1, 1900781520), (2, 950390760), (3, 633593840), (4, 475195380), (5, 380156304), (6, 316796920), (8, 237597690), (10, 190078152), (11, 172798320), (12, 158398460), (15, 126718768), (16, 118798845), (20, 95039076), (22, 86399160), (24, 79199230), (30, 63359384), (33, 57599440), (40, 47519538), (44, 43199580), (47, 40442160), (48, 39599615), (55, 34559664), (60, 31679692), (66, 28799720), (80, 23759769), (88, 21599790), (94, 20221080), (110, 17279832), (120, 15839846), (132, 14399860), (141, 13480720), (165, 11519888), (176, 10799895), (188, 10110540), (220, 8639916), (235, 8088432), (240, 7919923), (264, 7199930), (282, 6740360), (330, 5759944), (376, 5055270), (440, 4319958), (470, 4044216), (517, 3676560), (528, 3599965), (564, 3370180), (660, 2879972), (705, 2696144), (752, 2527635), (880, 2159979), (940, 2022108), (1034, 1838280), (1128, 1685090), (1320, 1439986), (1410, 1348072), (1551, 1225520), (1880, 1011054), (2068, 919140), (2256, 842545), (2585, 735312), (2640, 719993), (2820, 674036), (3102, 612760), (3760, 505527), (4136, 459570), (5170, 367656), (5640, 337018), (6204, 306380), (7755, 245104), (8272, 229785), (10340, 183828), (11280, 168509), (12408, 153190), (15319, 124080), (15510, 122552), (20680, 91914), (24816, 76595), (30638, 62040), (31020, 61276), (41360, 45957)]