1780240680

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{32321}}^1$

素因数の和:32361

約数の個数: 160

約数和(自身を含む): 6335758440

約数和(自身を除く): 4555517760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 17, 18, 20, 24, 27, 30, 34, 36, 40, 45, 51, 54, 60, 68, 72, 81, 85, 90, 102, 108, 120, 135, 136, 153, 162, 170, 180, 204, 216, 255, 270, 306, 324, 340, 360, 405, 408, 459, 510, 540, 612, 648, 680, 765, 810, 918, 1020, 1080, 1224, 1377, 1530, 1620, 1836, 2040, 2295, 2754, 3060, 3240, 3672, 4590, 5508, 6120, 6885, 9180, 11016, 13770, 18360, 27540, 32321, 55080, 64642, 96963, 129284, 161605, 193926, 258568, 290889, 323210, 387852, 484815, 549457, 581778, 646420, 775704, 872667, 969630, 1098914, 1163556, 1292840, 1454445, 1648371, 1745334, 1939260, 2197828, 2327112, 2618001, 2747285, 2908890, 3296742, 3490668, 3878520, 4363335, 4395656, 4945113, 5236002, 5494570, 5817780, 6593484, 6981336, 8241855, 8726670, 9890226, 10472004, 10989140, 11635560, 13090005, 13186968, 14835339, 16483710, 17453340, 19780452, 20944008, 21978280, 24725565, 26180010, 29670678, 32967420, 34906680, 39560904, 44506017, 49451130, 52360020, 59341356, 65934840, 74176695, 89012034, 98902260, 104720040, 118682712, 148353390, 178024068, 197804520, 222530085, 296706780, 356048136, 445060170, 593413560, 890120340, 1780240680]

約数ペア:

[(1, 1780240680), (2, 890120340), (3, 593413560), (4, 445060170), (5, 356048136), (6, 296706780), (8, 222530085), (9, 197804520), (10, 178024068), (12, 148353390), (15, 118682712), (17, 104720040), (18, 98902260), (20, 89012034), (24, 74176695), (27, 65934840), (30, 59341356), (34, 52360020), (36, 49451130), (40, 44506017), (45, 39560904), (51, 34906680), (54, 32967420), (60, 29670678), (68, 26180010), (72, 24725565), (81, 21978280), (85, 20944008), (90, 19780452), (102, 17453340), (108, 16483710), (120, 14835339), (135, 13186968), (136, 13090005), (153, 11635560), (162, 10989140), (170, 10472004), (180, 9890226), (204, 8726670), (216, 8241855), (255, 6981336), (270, 6593484), (306, 5817780), (324, 5494570), (340, 5236002), (360, 4945113), (405, 4395656), (408, 4363335), (459, 3878520), (510, 3490668), (540, 3296742), (612, 2908890), (648, 2747285), (680, 2618001), (765, 2327112), (810, 2197828), (918, 1939260), (1020, 1745334), (1080, 1648371), (1224, 1454445), (1377, 1292840), (1530, 1163556), (1620, 1098914), (1836, 969630), (2040, 872667), (2295, 775704), (2754, 646420), (3060, 581778), (3240, 549457), (3672, 484815), (4590, 387852), (5508, 323210), (6120, 290889), (6885, 258568), (9180, 193926), (11016, 161605), (13770, 129284), (18360, 96963), (27540, 64642), (32321, 55080)]