27744860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:231

約数の個数: 96

約数和(自身を含む): 69854400

約数和(自身を除く): 42109540

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 89, 109, 110, 130, 143, 178, 218, 220, 260, 286, 356, 436, 445, 545, 572, 715, 890, 979, 1090, 1157, 1199, 1417, 1430, 1780, 1958, 2180, 2314, 2398, 2834, 2860, 3916, 4628, 4796, 4895, 5668, 5785, 5995, 7085, 9701, 9790, 11570, 11990, 12727, 14170, 15587, 19402, 19580, 23140, 23980, 25454, 28340, 31174, 38804, 48505, 50908, 62348, 63635, 77935, 97010, 106711, 126113, 127270, 155870, 194020, 213422, 252226, 254540, 311740, 426844, 504452, 533555, 630565, 1067110, 1261130, 1387243, 2134220, 2522260, 2774486, 5548972, 6936215, 13872430, 27744860]

約数ペア:

[(1, 27744860), (2, 13872430), (4, 6936215), (5, 5548972), (10, 2774486), (11, 2522260), (13, 2134220), (20, 1387243), (22, 1261130), (26, 1067110), (44, 630565), (52, 533555), (55, 504452), (65, 426844), (89, 311740), (109, 254540), (110, 252226), (130, 213422), (143, 194020), (178, 155870), (218, 127270), (220, 126113), (260, 106711), (286, 97010), (356, 77935), (436, 63635), (445, 62348), (545, 50908), (572, 48505), (715, 38804), (890, 31174), (979, 28340), (1090, 25454), (1157, 23980), (1199, 23140), (1417, 19580), (1430, 19402), (1780, 15587), (1958, 14170), (2180, 12727), (2314, 11990), (2398, 11570), (2834, 9790), (2860, 9701), (3916, 7085), (4628, 5995), (4796, 5785), (4895, 5668)]