72805040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{223}}^1$

素因数の和:307

約数の個数: 160

約数和(自身を含む): 215986176

約数和(自身を除く): 143181136

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 35, 40, 44, 53, 55, 56, 70, 77, 80, 88, 106, 110, 112, 140, 154, 176, 212, 220, 223, 265, 280, 308, 371, 385, 424, 440, 446, 530, 560, 583, 616, 742, 770, 848, 880, 892, 1060, 1115, 1166, 1232, 1484, 1540, 1561, 1784, 1855, 2120, 2230, 2332, 2453, 2915, 2968, 3080, 3122, 3568, 3710, 4081, 4240, 4460, 4664, 4906, 5830, 5936, 6160, 6244, 7420, 7805, 8162, 8920, 9328, 9812, 11660, 11819, 12265, 12488, 14840, 15610, 16324, 17171, 17840, 19624, 20405, 23320, 23638, 24530, 24976, 29680, 31220, 32648, 34342, 39248, 40810, 46640, 47276, 49060, 59095, 62440, 65296, 68684, 81620, 82733, 85855, 94552, 98120, 118190, 124880, 130009, 137368, 163240, 165466, 171710, 189104, 196240, 236380, 260018, 274736, 326480, 330932, 343420, 413665, 472760, 520036, 650045, 661864, 686840, 827330, 910063, 945520, 1040072, 1300090, 1323728, 1373680, 1654660, 1820126, 2080144, 2600180, 3309320, 3640252, 4550315, 5200360, 6618640, 7280504, 9100630, 10400720, 14561008, 18201260, 36402520, 72805040]

約数ペア:

[(1, 72805040), (2, 36402520), (4, 18201260), (5, 14561008), (7, 10400720), (8, 9100630), (10, 7280504), (11, 6618640), (14, 5200360), (16, 4550315), (20, 3640252), (22, 3309320), (28, 2600180), (35, 2080144), (40, 1820126), (44, 1654660), (53, 1373680), (55, 1323728), (56, 1300090), (70, 1040072), (77, 945520), (80, 910063), (88, 827330), (106, 686840), (110, 661864), (112, 650045), (140, 520036), (154, 472760), (176, 413665), (212, 343420), (220, 330932), (223, 326480), (265, 274736), (280, 260018), (308, 236380), (371, 196240), (385, 189104), (424, 171710), (440, 165466), (446, 163240), (530, 137368), (560, 130009), (583, 124880), (616, 118190), (742, 98120), (770, 94552), (848, 85855), (880, 82733), (892, 81620), (1060, 68684), (1115, 65296), (1166, 62440), (1232, 59095), (1484, 49060), (1540, 47276), (1561, 46640), (1784, 40810), (1855, 39248), (2120, 34342), (2230, 32648), (2332, 31220), (2453, 29680), (2915, 24976), (2968, 24530), (3080, 23638), (3122, 23320), (3568, 20405), (3710, 19624), (4081, 17840), (4240, 17171), (4460, 16324), (4664, 15610), (4906, 14840), (5830, 12488), (5936, 12265), (6160, 11819), (6244, 11660), (7420, 9812), (7805, 9328), (8162, 8920)]