128248920

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1767

約数の個数: 160

約数和(自身を含む): 450061920

約数和(自身を除く): 321813000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 54, 60, 69, 72, 81, 90, 92, 108, 115, 120, 135, 138, 162, 180, 184, 207, 216, 230, 270, 276, 324, 345, 360, 405, 414, 460, 540, 552, 621, 648, 690, 810, 828, 920, 1035, 1080, 1242, 1380, 1620, 1656, 1721, 1863, 2070, 2484, 2760, 3105, 3240, 3442, 3726, 4140, 4968, 5163, 6210, 6884, 7452, 8280, 8605, 9315, 10326, 12420, 13768, 14904, 15489, 17210, 18630, 20652, 24840, 25815, 30978, 34420, 37260, 39583, 41304, 46467, 51630, 61956, 68840, 74520, 77445, 79166, 92934, 103260, 118749, 123912, 139401, 154890, 158332, 185868, 197915, 206520, 232335, 237498, 278802, 309780, 316664, 356247, 371736, 395830, 464670, 474996, 557604, 593745, 619560, 697005, 712494, 791660, 929340, 949992, 1068741, 1115208, 1187490, 1394010, 1424988, 1583320, 1781235, 1858680, 2137482, 2374980, 2788020, 2849976, 3206223, 3562470, 4274964, 4749960, 5343705, 5576040, 6412446, 7124940, 8549928, 10687410, 12824892, 14249880, 16031115, 21374820, 25649784, 32062230, 42749640, 64124460, 128248920]

約数ペア:

[(1, 128248920), (2, 64124460), (3, 42749640), (4, 32062230), (5, 25649784), (6, 21374820), (8, 16031115), (9, 14249880), (10, 12824892), (12, 10687410), (15, 8549928), (18, 7124940), (20, 6412446), (23, 5576040), (24, 5343705), (27, 4749960), (30, 4274964), (36, 3562470), (40, 3206223), (45, 2849976), (46, 2788020), (54, 2374980), (60, 2137482), (69, 1858680), (72, 1781235), (81, 1583320), (90, 1424988), (92, 1394010), (108, 1187490), (115, 1115208), (120, 1068741), (135, 949992), (138, 929340), (162, 791660), (180, 712494), (184, 697005), (207, 619560), (216, 593745), (230, 557604), (270, 474996), (276, 464670), (324, 395830), (345, 371736), (360, 356247), (405, 316664), (414, 309780), (460, 278802), (540, 237498), (552, 232335), (621, 206520), (648, 197915), (690, 185868), (810, 158332), (828, 154890), (920, 139401), (1035, 123912), (1080, 118749), (1242, 103260), (1380, 92934), (1620, 79166), (1656, 77445), (1721, 74520), (1863, 68840), (2070, 61956), (2484, 51630), (2760, 46467), (3105, 41304), (3240, 39583), (3442, 37260), (3726, 34420), (4140, 30978), (4968, 25815), (5163, 24840), (6210, 20652), (6884, 18630), (7452, 17210), (8280, 15489), (8605, 14904), (9315, 13768), (10326, 12420)]