72071560

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{233}}^1$

素因数の和:311

約数の個数: 128

約数和(自身を含む): 192067200

約数和(自身を除く): 119995640

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 37, 38, 40, 44, 55, 74, 76, 88, 95, 110, 148, 152, 185, 190, 209, 220, 233, 296, 370, 380, 407, 418, 440, 466, 703, 740, 760, 814, 836, 932, 1045, 1165, 1406, 1480, 1628, 1672, 1864, 2035, 2090, 2330, 2563, 2812, 3256, 3515, 4070, 4180, 4427, 4660, 5126, 5624, 7030, 7733, 8140, 8360, 8621, 8854, 9320, 10252, 12815, 14060, 15466, 16280, 17242, 17708, 20504, 22135, 25630, 28120, 30932, 34484, 35416, 38665, 43105, 44270, 48697, 51260, 61864, 68968, 77330, 86210, 88540, 94831, 97394, 102520, 154660, 163799, 172420, 177080, 189662, 194788, 243485, 309320, 327598, 344840, 379324, 389576, 474155, 486970, 655196, 758648, 818995, 948310, 973940, 1310392, 1637990, 1801789, 1896620, 1947880, 3275980, 3603578, 3793240, 6551960, 7207156, 9008945, 14414312, 18017890, 36035780, 72071560]

約数ペア:

[(1, 72071560), (2, 36035780), (4, 18017890), (5, 14414312), (8, 9008945), (10, 7207156), (11, 6551960), (19, 3793240), (20, 3603578), (22, 3275980), (37, 1947880), (38, 1896620), (40, 1801789), (44, 1637990), (55, 1310392), (74, 973940), (76, 948310), (88, 818995), (95, 758648), (110, 655196), (148, 486970), (152, 474155), (185, 389576), (190, 379324), (209, 344840), (220, 327598), (233, 309320), (296, 243485), (370, 194788), (380, 189662), (407, 177080), (418, 172420), (440, 163799), (466, 154660), (703, 102520), (740, 97394), (760, 94831), (814, 88540), (836, 86210), (932, 77330), (1045, 68968), (1165, 61864), (1406, 51260), (1480, 48697), (1628, 44270), (1672, 43105), (1864, 38665), (2035, 35416), (2090, 34484), (2330, 30932), (2563, 28120), (2812, 25630), (3256, 22135), (3515, 20504), (4070, 17708), (4180, 17242), (4427, 16280), (4660, 15466), (5126, 14060), (5624, 12815), (7030, 10252), (7733, 9320), (8140, 8854), (8360, 8621)]