80230480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1$

素因数の和:245

約数の個数: 160

約数和(自身を含む): 223699968

約数和(自身を除く): 143469488

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 17, 20, 22, 31, 34, 40, 44, 55, 62, 68, 80, 85, 88, 110, 124, 136, 155, 170, 173, 176, 187, 220, 248, 272, 310, 340, 341, 346, 374, 440, 496, 527, 620, 680, 682, 692, 748, 865, 880, 935, 1054, 1240, 1360, 1364, 1384, 1496, 1705, 1730, 1870, 1903, 2108, 2480, 2635, 2728, 2768, 2941, 2992, 3410, 3460, 3740, 3806, 4216, 5270, 5363, 5456, 5797, 5882, 6820, 6920, 7480, 7612, 8432, 9515, 10540, 10726, 11594, 11764, 13640, 13840, 14705, 14960, 15224, 19030, 21080, 21452, 23188, 23528, 26815, 27280, 28985, 29410, 30448, 32351, 38060, 42160, 42904, 46376, 47056, 53630, 57970, 58820, 58993, 64702, 76120, 85808, 91171, 92752, 107260, 115940, 117640, 117986, 129404, 152240, 161755, 182342, 214520, 231880, 235280, 235972, 258808, 294965, 323510, 364684, 429040, 455855, 463760, 471944, 517616, 589930, 647020, 729368, 911710, 943888, 1002881, 1179860, 1294040, 1458736, 1823420, 2005762, 2359720, 2588080, 3646840, 4011524, 4719440, 5014405, 7293680, 8023048, 10028810, 16046096, 20057620, 40115240, 80230480]

約数ペア:

[(1, 80230480), (2, 40115240), (4, 20057620), (5, 16046096), (8, 10028810), (10, 8023048), (11, 7293680), (16, 5014405), (17, 4719440), (20, 4011524), (22, 3646840), (31, 2588080), (34, 2359720), (40, 2005762), (44, 1823420), (55, 1458736), (62, 1294040), (68, 1179860), (80, 1002881), (85, 943888), (88, 911710), (110, 729368), (124, 647020), (136, 589930), (155, 517616), (170, 471944), (173, 463760), (176, 455855), (187, 429040), (220, 364684), (248, 323510), (272, 294965), (310, 258808), (340, 235972), (341, 235280), (346, 231880), (374, 214520), (440, 182342), (496, 161755), (527, 152240), (620, 129404), (680, 117986), (682, 117640), (692, 115940), (748, 107260), (865, 92752), (880, 91171), (935, 85808), (1054, 76120), (1240, 64702), (1360, 58993), (1364, 58820), (1384, 57970), (1496, 53630), (1705, 47056), (1730, 46376), (1870, 42904), (1903, 42160), (2108, 38060), (2480, 32351), (2635, 30448), (2728, 29410), (2768, 28985), (2941, 27280), (2992, 26815), (3410, 23528), (3460, 23188), (3740, 21452), (3806, 21080), (4216, 19030), (5270, 15224), (5363, 14960), (5456, 14705), (5797, 13840), (5882, 13640), (6820, 11764), (6920, 11594), (7480, 10726), (7612, 10540), (8432, 9515)]