8156720

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1$

素因数の和:91

約数の個数: 160

約数和(自身を含む): 23998464

約数和(自身を除く): 15841744

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 23, 26, 31, 40, 44, 46, 52, 55, 62, 65, 80, 88, 92, 104, 110, 115, 124, 130, 143, 155, 176, 184, 208, 220, 230, 248, 253, 260, 286, 299, 310, 341, 368, 403, 440, 460, 496, 506, 520, 572, 598, 620, 682, 713, 715, 806, 880, 920, 1012, 1040, 1144, 1196, 1240, 1265, 1364, 1426, 1430, 1495, 1612, 1705, 1840, 2015, 2024, 2288, 2392, 2480, 2530, 2728, 2852, 2860, 2990, 3224, 3289, 3410, 3565, 4030, 4048, 4433, 4784, 5060, 5456, 5704, 5720, 5980, 6448, 6578, 6820, 7130, 7843, 8060, 8866, 9269, 10120, 11408, 11440, 11960, 13156, 13640, 14260, 15686, 16120, 16445, 17732, 18538, 20240, 22165, 23920, 26312, 27280, 28520, 31372, 32240, 32890, 35464, 37076, 39215, 44330, 46345, 52624, 57040, 62744, 65780, 70928, 74152, 78430, 88660, 92690, 101959, 125488, 131560, 148304, 156860, 177320, 185380, 203918, 263120, 313720, 354640, 370760, 407836, 509795, 627440, 741520, 815672, 1019590, 1631344, 2039180, 4078360, 8156720]

約数ペア:

[(1, 8156720), (2, 4078360), (4, 2039180), (5, 1631344), (8, 1019590), (10, 815672), (11, 741520), (13, 627440), (16, 509795), (20, 407836), (22, 370760), (23, 354640), (26, 313720), (31, 263120), (40, 203918), (44, 185380), (46, 177320), (52, 156860), (55, 148304), (62, 131560), (65, 125488), (80, 101959), (88, 92690), (92, 88660), (104, 78430), (110, 74152), (115, 70928), (124, 65780), (130, 62744), (143, 57040), (155, 52624), (176, 46345), (184, 44330), (208, 39215), (220, 37076), (230, 35464), (248, 32890), (253, 32240), (260, 31372), (286, 28520), (299, 27280), (310, 26312), (341, 23920), (368, 22165), (403, 20240), (440, 18538), (460, 17732), (496, 16445), (506, 16120), (520, 15686), (572, 14260), (598, 13640), (620, 13156), (682, 11960), (713, 11440), (715, 11408), (806, 10120), (880, 9269), (920, 8866), (1012, 8060), (1040, 7843), (1144, 7130), (1196, 6820), (1240, 6578), (1265, 6448), (1364, 5980), (1426, 5720), (1430, 5704), (1495, 5456), (1612, 5060), (1705, 4784), (1840, 4433), (2015, 4048), (2024, 4030), (2288, 3565), (2392, 3410), (2480, 3289), (2530, 3224), (2728, 2990), (2852, 2860)]