80733680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1$

素因数の和:171

約数の個数: 160

約数和(自身を含む): 216950400

約数和(自身を除く): 136216720

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 23, 29, 34, 40, 46, 58, 68, 80, 85, 89, 92, 115, 116, 136, 145, 170, 178, 184, 230, 232, 272, 290, 340, 356, 368, 391, 445, 460, 464, 493, 580, 667, 680, 712, 782, 890, 920, 986, 1160, 1334, 1360, 1424, 1513, 1564, 1780, 1840, 1955, 1972, 2047, 2320, 2465, 2581, 2668, 3026, 3128, 3335, 3560, 3910, 3944, 4094, 4930, 5162, 5336, 6052, 6256, 6670, 7120, 7565, 7820, 7888, 8188, 9860, 10235, 10324, 10672, 11339, 12104, 12905, 13340, 15130, 15640, 16376, 19720, 20470, 20648, 22678, 24208, 25810, 26680, 30260, 31280, 32752, 34799, 39440, 40940, 41296, 43877, 45356, 51620, 53360, 56695, 59363, 60520, 69598, 81880, 87754, 90712, 103240, 113390, 118726, 121040, 139196, 163760, 173995, 175508, 181424, 206480, 219385, 226780, 237452, 278392, 296815, 347990, 351016, 438770, 453560, 474904, 556784, 593630, 695980, 702032, 877540, 907120, 949808, 1009171, 1187260, 1391960, 1755080, 2018342, 2374520, 2783920, 3510160, 4036684, 4749040, 5045855, 8073368, 10091710, 16146736, 20183420, 40366840, 80733680]

約数ペア:

[(1, 80733680), (2, 40366840), (4, 20183420), (5, 16146736), (8, 10091710), (10, 8073368), (16, 5045855), (17, 4749040), (20, 4036684), (23, 3510160), (29, 2783920), (34, 2374520), (40, 2018342), (46, 1755080), (58, 1391960), (68, 1187260), (80, 1009171), (85, 949808), (89, 907120), (92, 877540), (115, 702032), (116, 695980), (136, 593630), (145, 556784), (170, 474904), (178, 453560), (184, 438770), (230, 351016), (232, 347990), (272, 296815), (290, 278392), (340, 237452), (356, 226780), (368, 219385), (391, 206480), (445, 181424), (460, 175508), (464, 173995), (493, 163760), (580, 139196), (667, 121040), (680, 118726), (712, 113390), (782, 103240), (890, 90712), (920, 87754), (986, 81880), (1160, 69598), (1334, 60520), (1360, 59363), (1424, 56695), (1513, 53360), (1564, 51620), (1780, 45356), (1840, 43877), (1955, 41296), (1972, 40940), (2047, 39440), (2320, 34799), (2465, 32752), (2581, 31280), (2668, 30260), (3026, 26680), (3128, 25810), (3335, 24208), (3560, 22678), (3910, 20648), (3944, 20470), (4094, 19720), (4930, 16376), (5162, 15640), (5336, 15130), (6052, 13340), (6256, 12905), (6670, 12104), (7120, 11339), (7565, 10672), (7820, 10324), (7888, 10235), (8188, 9860)]