820121160

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{463}}^1\times {\mathrm{509}}^1$

素因数の和:1015

約数の個数: 128

約数和(自身を含む): 2555712000

約数和(自身を除く): 1735590840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 29, 30, 40, 58, 60, 87, 116, 120, 145, 174, 232, 290, 348, 435, 463, 509, 580, 696, 870, 926, 1018, 1160, 1389, 1527, 1740, 1852, 2036, 2315, 2545, 2778, 3054, 3480, 3704, 4072, 4630, 5090, 5556, 6108, 6945, 7635, 9260, 10180, 11112, 12216, 13427, 13890, 14761, 15270, 18520, 20360, 26854, 27780, 29522, 30540, 40281, 44283, 53708, 55560, 59044, 61080, 67135, 73805, 80562, 88566, 107416, 118088, 134270, 147610, 161124, 177132, 201405, 221415, 235667, 268540, 295220, 322248, 354264, 402810, 442830, 471334, 537080, 590440, 707001, 805620, 885660, 942668, 1178335, 1414002, 1611240, 1771320, 1885336, 2356670, 2828004, 3535005, 4713340, 5656008, 6834343, 7070010, 9426680, 13668686, 14140020, 20503029, 27337372, 28280040, 34171715, 41006058, 54674744, 68343430, 82012116, 102515145, 136686860, 164024232, 205030290, 273373720, 410060580, 820121160]

約数ペア:

[(1, 820121160), (2, 410060580), (3, 273373720), (4, 205030290), (5, 164024232), (6, 136686860), (8, 102515145), (10, 82012116), (12, 68343430), (15, 54674744), (20, 41006058), (24, 34171715), (29, 28280040), (30, 27337372), (40, 20503029), (58, 14140020), (60, 13668686), (87, 9426680), (116, 7070010), (120, 6834343), (145, 5656008), (174, 4713340), (232, 3535005), (290, 2828004), (348, 2356670), (435, 1885336), (463, 1771320), (509, 1611240), (580, 1414002), (696, 1178335), (870, 942668), (926, 885660), (1018, 805620), (1160, 707001), (1389, 590440), (1527, 537080), (1740, 471334), (1852, 442830), (2036, 402810), (2315, 354264), (2545, 322248), (2778, 295220), (3054, 268540), (3480, 235667), (3704, 221415), (4072, 201405), (4630, 177132), (5090, 161124), (5556, 147610), (6108, 134270), (6945, 118088), (7635, 107416), (9260, 88566), (10180, 80562), (11112, 73805), (12216, 67135), (13427, 61080), (13890, 59044), (14761, 55560), (15270, 53708), (18520, 44283), (20360, 40281), (26854, 30540), (27780, 29522)]