47520760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{157}}^1$

素因数の和:245

約数の個数: 128

約数和(自身を含む): 131051520

約数和(自身を除く): 83530760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 23, 28, 35, 40, 46, 47, 56, 70, 92, 94, 115, 140, 157, 161, 184, 188, 230, 235, 280, 314, 322, 329, 376, 460, 470, 628, 644, 658, 785, 805, 920, 940, 1081, 1099, 1256, 1288, 1316, 1570, 1610, 1645, 1880, 2162, 2198, 2632, 3140, 3220, 3290, 3611, 4324, 4396, 5405, 5495, 6280, 6440, 6580, 7222, 7379, 7567, 8648, 8792, 10810, 10990, 13160, 14444, 14758, 15134, 18055, 21620, 21980, 25277, 28888, 29516, 30268, 36110, 36895, 37835, 43240, 43960, 50554, 51653, 59032, 60536, 72220, 73790, 75670, 101108, 103306, 126385, 144440, 147580, 151340, 169717, 202216, 206612, 252770, 258265, 295160, 302680, 339434, 413224, 505540, 516530, 678868, 848585, 1011080, 1033060, 1188019, 1357736, 1697170, 2066120, 2376038, 3394340, 4752076, 5940095, 6788680, 9504152, 11880190, 23760380, 47520760]

約数ペア:

[(1, 47520760), (2, 23760380), (4, 11880190), (5, 9504152), (7, 6788680), (8, 5940095), (10, 4752076), (14, 3394340), (20, 2376038), (23, 2066120), (28, 1697170), (35, 1357736), (40, 1188019), (46, 1033060), (47, 1011080), (56, 848585), (70, 678868), (92, 516530), (94, 505540), (115, 413224), (140, 339434), (157, 302680), (161, 295160), (184, 258265), (188, 252770), (230, 206612), (235, 202216), (280, 169717), (314, 151340), (322, 147580), (329, 144440), (376, 126385), (460, 103306), (470, 101108), (628, 75670), (644, 73790), (658, 72220), (785, 60536), (805, 59032), (920, 51653), (940, 50554), (1081, 43960), (1099, 43240), (1256, 37835), (1288, 36895), (1316, 36110), (1570, 30268), (1610, 29516), (1645, 28888), (1880, 25277), (2162, 21980), (2198, 21620), (2632, 18055), (3140, 15134), (3220, 14758), (3290, 14444), (3611, 13160), (4324, 10990), (4396, 10810), (5405, 8792), (5495, 8648), (6280, 7567), (6440, 7379), (6580, 7222)]