28499760

素因数分解:

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

素因数の和:1763

約数の個数: 120

約数和(自身を含む): 99931104

約数和(自身を除く): 71431344

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1721, 1840, 2070, 2760, 3312, 3442, 4140, 5163, 5520, 6884, 8280, 8605, 10326, 13768, 15489, 16560, 17210, 20652, 25815, 27536, 30978, 34420, 39583, 41304, 51630, 61956, 68840, 77445, 79166, 82608, 103260, 118749, 123912, 137680, 154890, 158332, 197915, 206520, 237498, 247824, 309780, 316664, 356247, 395830, 413040, 474996, 593745, 619560, 633328, 712494, 791660, 949992, 1187490, 1239120, 1424988, 1583320, 1781235, 1899984, 2374980, 2849976, 3166640, 3562470, 4749960, 5699952, 7124940, 9499920, 14249880, 28499760]

約数ペア:

[(1, 28499760), (2, 14249880), (3, 9499920), (4, 7124940), (5, 5699952), (6, 4749960), (8, 3562470), (9, 3166640), (10, 2849976), (12, 2374980), (15, 1899984), (16, 1781235), (18, 1583320), (20, 1424988), (23, 1239120), (24, 1187490), (30, 949992), (36, 791660), (40, 712494), (45, 633328), (46, 619560), (48, 593745), (60, 474996), (69, 413040), (72, 395830), (80, 356247), (90, 316664), (92, 309780), (115, 247824), (120, 237498), (138, 206520), (144, 197915), (180, 158332), (184, 154890), (207, 137680), (230, 123912), (240, 118749), (276, 103260), (345, 82608), (360, 79166), (368, 77445), (414, 68840), (460, 61956), (552, 51630), (690, 41304), (720, 39583), (828, 34420), (920, 30978), (1035, 27536), (1104, 25815), (1380, 20652), (1656, 17210), (1721, 16560), (1840, 15489), (2070, 13768), (2760, 10326), (3312, 8605), (3442, 8280), (4140, 6884), (5163, 5520)]