27798320

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1019}}^1$

素因数の和:1074

約数の個数: 80

約数和(自身を含む): 72852480

約数和(自身を除く): 45054160

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 31, 40, 44, 55, 62, 80, 88, 110, 124, 155, 176, 220, 248, 310, 341, 440, 496, 620, 682, 880, 1019, 1240, 1364, 1705, 2038, 2480, 2728, 3410, 4076, 5095, 5456, 6820, 8152, 10190, 11209, 13640, 16304, 20380, 22418, 27280, 31589, 40760, 44836, 56045, 63178, 81520, 89672, 112090, 126356, 157945, 179344, 224180, 252712, 315890, 347479, 448360, 505424, 631780, 694958, 896720, 1263560, 1389916, 1737395, 2527120, 2779832, 3474790, 5559664, 6949580, 13899160, 27798320]

約数ペア:

[(1, 27798320), (2, 13899160), (4, 6949580), (5, 5559664), (8, 3474790), (10, 2779832), (11, 2527120), (16, 1737395), (20, 1389916), (22, 1263560), (31, 896720), (40, 694958), (44, 631780), (55, 505424), (62, 448360), (80, 347479), (88, 315890), (110, 252712), (124, 224180), (155, 179344), (176, 157945), (220, 126356), (248, 112090), (310, 89672), (341, 81520), (440, 63178), (496, 56045), (620, 44836), (682, 40760), (880, 31589), (1019, 27280), (1240, 22418), (1364, 20380), (1705, 16304), (2038, 13640), (2480, 11209), (2728, 10190), (3410, 8152), (4076, 6820), (5095, 5456)]