15679984120

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{271}}^1\times {\mathrm{1031}}^1$

素因数の和:1397

約数の個数: 128

約数和(自身を含む): 37591879680

約数和(自身を除く): 21911895560

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 61, 92, 115, 122, 184, 230, 244, 271, 305, 460, 488, 542, 610, 920, 1031, 1084, 1220, 1355, 1403, 2062, 2168, 2440, 2710, 2806, 4124, 5155, 5420, 5612, 6233, 7015, 8248, 10310, 10840, 11224, 12466, 14030, 16531, 20620, 23713, 24932, 28060, 31165, 33062, 41240, 47426, 49864, 56120, 62330, 62891, 66124, 82655, 94852, 118565, 124660, 125782, 132248, 165310, 189704, 237130, 249320, 251564, 279401, 314455, 330620, 380213, 474260, 503128, 558802, 628910, 661240, 760426, 948520, 1117604, 1257820, 1397005, 1446493, 1520852, 1901065, 2235208, 2515640, 2794010, 2892986, 3041704, 3802130, 5588020, 5785972, 6426223, 7232465, 7604260, 11176040, 11571944, 12852446, 14464930, 15208520, 17043461, 25704892, 28929860, 32131115, 34086922, 51409784, 57859720, 64262230, 68173844, 85217305, 128524460, 136347688, 170434610, 257048920, 340869220, 391999603, 681738440, 783999206, 1567998412, 1959998015, 3135996824, 3919996030, 7839992060, 15679984120]

約数ペア:

[(1, 15679984120), (2, 7839992060), (4, 3919996030), (5, 3135996824), (8, 1959998015), (10, 1567998412), (20, 783999206), (23, 681738440), (40, 391999603), (46, 340869220), (61, 257048920), (92, 170434610), (115, 136347688), (122, 128524460), (184, 85217305), (230, 68173844), (244, 64262230), (271, 57859720), (305, 51409784), (460, 34086922), (488, 32131115), (542, 28929860), (610, 25704892), (920, 17043461), (1031, 15208520), (1084, 14464930), (1220, 12852446), (1355, 11571944), (1403, 11176040), (2062, 7604260), (2168, 7232465), (2440, 6426223), (2710, 5785972), (2806, 5588020), (4124, 3802130), (5155, 3041704), (5420, 2892986), (5612, 2794010), (6233, 2515640), (7015, 2235208), (8248, 1901065), (10310, 1520852), (10840, 1446493), (11224, 1397005), (12466, 1257820), (14030, 1117604), (16531, 948520), (20620, 760426), (23713, 661240), (24932, 628910), (28060, 558802), (31165, 503128), (33062, 474260), (41240, 380213), (47426, 330620), (49864, 314455), (56120, 279401), (62330, 251564), (62891, 249320), (66124, 237130), (82655, 189704), (94852, 165310), (118565, 132248), (124660, 125782)]