177991020

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{281}}^1$

素因数の和:342

約数の個数: 240

約数和(自身を含む): 619109568

約数和(自身を除く): 441118548

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 23, 27, 30, 34, 36, 45, 46, 51, 54, 60, 68, 69, 81, 85, 90, 92, 102, 108, 115, 135, 138, 153, 162, 170, 180, 204, 207, 230, 255, 270, 276, 281, 306, 324, 340, 345, 391, 405, 414, 459, 460, 510, 540, 562, 612, 621, 690, 765, 782, 810, 828, 843, 918, 1020, 1035, 1124, 1173, 1242, 1377, 1380, 1405, 1530, 1564, 1620, 1686, 1836, 1863, 1955, 2070, 2295, 2346, 2484, 2529, 2754, 2810, 3060, 3105, 3372, 3519, 3726, 3910, 4140, 4215, 4590, 4692, 4777, 5058, 5508, 5620, 5865, 6210, 6463, 6885, 7038, 7452, 7587, 7820, 8430, 9180, 9315, 9554, 10116, 10557, 11730, 12420, 12645, 12926, 13770, 14076, 14331, 15174, 16860, 17595, 18630, 19108, 19389, 21114, 22761, 23460, 23885, 25290, 25852, 27540, 28662, 30348, 31671, 32315, 35190, 37260, 37935, 38778, 42228, 42993, 45522, 47770, 50580, 52785, 57324, 58167, 63342, 64630, 70380, 71655, 75870, 77556, 85986, 91044, 95540, 96945, 105570, 109871, 113805, 116334, 126684, 128979, 129260, 143310, 151740, 158355, 171972, 174501, 193890, 211140, 214965, 219742, 227610, 232668, 257958, 286620, 290835, 316710, 329613, 349002, 386937, 387780, 429930, 439484, 455220, 515916, 523503, 549355, 581670, 633420, 644895, 659226, 698004, 773874, 859860, 872505, 988839, 1047006, 1098710, 1163340, 1289790, 1318452, 1547748, 1648065, 1745010, 1934685, 1977678, 2094012, 2197420, 2579580, 2617515, 2966517, 3296130, 3490020, 3869370, 3955356, 4944195, 5235030, 5933034, 6592260, 7738740, 8899551, 9888390, 10470060, 11866068, 14832585, 17799102, 19776780, 29665170, 35598204, 44497755, 59330340, 88995510, 177991020]

約数ペア:

[(1, 177991020), (2, 88995510), (3, 59330340), (4, 44497755), (5, 35598204), (6, 29665170), (9, 19776780), (10, 17799102), (12, 14832585), (15, 11866068), (17, 10470060), (18, 9888390), (20, 8899551), (23, 7738740), (27, 6592260), (30, 5933034), (34, 5235030), (36, 4944195), (45, 3955356), (46, 3869370), (51, 3490020), (54, 3296130), (60, 2966517), (68, 2617515), (69, 2579580), (81, 2197420), (85, 2094012), (90, 1977678), (92, 1934685), (102, 1745010), (108, 1648065), (115, 1547748), (135, 1318452), (138, 1289790), (153, 1163340), (162, 1098710), (170, 1047006), (180, 988839), (204, 872505), (207, 859860), (230, 773874), (255, 698004), (270, 659226), (276, 644895), (281, 633420), (306, 581670), (324, 549355), (340, 523503), (345, 515916), (391, 455220), (405, 439484), (414, 429930), (459, 387780), (460, 386937), (510, 349002), (540, 329613), (562, 316710), (612, 290835), (621, 286620), (690, 257958), (765, 232668), (782, 227610), (810, 219742), (828, 214965), (843, 211140), (918, 193890), (1020, 174501), (1035, 171972), (1124, 158355), (1173, 151740), (1242, 143310), (1377, 129260), (1380, 128979), (1405, 126684), (1530, 116334), (1564, 113805), (1620, 109871), (1686, 105570), (1836, 96945), (1863, 95540), (1955, 91044), (2070, 85986), (2295, 77556), (2346, 75870), (2484, 71655), (2529, 70380), (2754, 64630), (2810, 63342), (3060, 58167), (3105, 57324), (3372, 52785), (3519, 50580), (3726, 47770), (3910, 45522), (4140, 42993), (4215, 42228), (4590, 38778), (4692, 37935), (4777, 37260), (5058, 35190), (5508, 32315), (5620, 31671), (5865, 30348), (6210, 28662), (6463, 27540), (6885, 25852), (7038, 25290), (7452, 23885), (7587, 23460), (7820, 22761), (8430, 21114), (9180, 19389), (9315, 19108), (9554, 18630), (10116, 17595), (10557, 16860), (11730, 15174), (12420, 14331), (12645, 14076), (12926, 13770)]