142381520

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{83}}^1\times {\mathrm{523}}^1$

素因数の和:660

約数の個数: 80

約数和(自身を含む): 343852992

約数和(自身を除く): 201471472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 83, 164, 166, 205, 328, 332, 410, 415, 523, 656, 664, 820, 830, 1046, 1328, 1640, 1660, 2092, 2615, 3280, 3320, 3403, 4184, 5230, 6640, 6806, 8368, 10460, 13612, 17015, 20920, 21443, 27224, 34030, 41840, 42886, 43409, 54448, 68060, 85772, 86818, 107215, 136120, 171544, 173636, 214430, 217045, 272240, 343088, 347272, 428860, 434090, 694544, 857720, 868180, 1715440, 1736360, 1779769, 3472720, 3559538, 7119076, 8898845, 14238152, 17797690, 28476304, 35595380, 71190760, 142381520]

約数ペア:

[(1, 142381520), (2, 71190760), (4, 35595380), (5, 28476304), (8, 17797690), (10, 14238152), (16, 8898845), (20, 7119076), (40, 3559538), (41, 3472720), (80, 1779769), (82, 1736360), (83, 1715440), (164, 868180), (166, 857720), (205, 694544), (328, 434090), (332, 428860), (410, 347272), (415, 343088), (523, 272240), (656, 217045), (664, 214430), (820, 173636), (830, 171544), (1046, 136120), (1328, 107215), (1640, 86818), (1660, 85772), (2092, 68060), (2615, 54448), (3280, 43409), (3320, 42886), (3403, 41840), (4184, 34030), (5230, 27224), (6640, 21443), (6806, 20920), (8368, 17015), (10460, 13612)]