1900860720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{720023}}^1$

素因数の和:720050

約数の個数: 80

約数和(自身を含む): 6428374272

約数和(自身を除く): 4527513552

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 330, 440, 528, 660, 880, 1320, 2640, 720023, 1440046, 2160069, 2880092, 3600115, 4320138, 5760184, 7200230, 7920253, 8640276, 10800345, 11520368, 14400460, 15840506, 17280552, 21600690, 23760759, 28800920, 31681012, 34561104, 39601265, 43201380, 47521518, 57601840, 63362024, 79202530, 86402760, 95043036, 118803795, 126724048, 158405060, 172805520, 190086072, 237607590, 316810120, 380172144, 475215180, 633620240, 950430360, 1900860720]

約数ペア:

[(1, 1900860720), (2, 950430360), (3, 633620240), (4, 475215180), (5, 380172144), (6, 316810120), (8, 237607590), (10, 190086072), (11, 172805520), (12, 158405060), (15, 126724048), (16, 118803795), (20, 95043036), (22, 86402760), (24, 79202530), (30, 63362024), (33, 57601840), (40, 47521518), (44, 43201380), (48, 39601265), (55, 34561104), (60, 31681012), (66, 28800920), (80, 23760759), (88, 21600690), (110, 17280552), (120, 15840506), (132, 14400460), (165, 11520368), (176, 10800345), (220, 8640276), (240, 7920253), (264, 7200230), (330, 5760184), (440, 4320138), (528, 3600115), (660, 2880092), (880, 2160069), (1320, 1440046), (2640, 720023)]