28267920

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{569}}^1$

素因数の和:614

約数の個数: 160

約数和(自身を含む): 101779200

約数和(自身を除く): 73511280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 27, 30, 36, 40, 45, 46, 48, 54, 60, 69, 72, 80, 90, 92, 108, 115, 120, 135, 138, 144, 180, 184, 207, 216, 230, 240, 270, 276, 345, 360, 368, 414, 432, 460, 540, 552, 569, 621, 690, 720, 828, 920, 1035, 1080, 1104, 1138, 1242, 1380, 1656, 1707, 1840, 2070, 2160, 2276, 2484, 2760, 2845, 3105, 3312, 3414, 4140, 4552, 4968, 5121, 5520, 5690, 6210, 6828, 8280, 8535, 9104, 9936, 10242, 11380, 12420, 13087, 13656, 15363, 16560, 17070, 20484, 22760, 24840, 25605, 26174, 27312, 30726, 34140, 39261, 40968, 45520, 49680, 51210, 52348, 61452, 65435, 68280, 76815, 78522, 81936, 102420, 104696, 117783, 122904, 130870, 136560, 153630, 157044, 196305, 204840, 209392, 235566, 245808, 261740, 307260, 314088, 353349, 392610, 409680, 471132, 523480, 588915, 614520, 628176, 706698, 785220, 942264, 1046960, 1177830, 1229040, 1413396, 1570440, 1766745, 1884528, 2355660, 2826792, 3140880, 3533490, 4711320, 5653584, 7066980, 9422640, 14133960, 28267920]

約数ペア:

[(1, 28267920), (2, 14133960), (3, 9422640), (4, 7066980), (5, 5653584), (6, 4711320), (8, 3533490), (9, 3140880), (10, 2826792), (12, 2355660), (15, 1884528), (16, 1766745), (18, 1570440), (20, 1413396), (23, 1229040), (24, 1177830), (27, 1046960), (30, 942264), (36, 785220), (40, 706698), (45, 628176), (46, 614520), (48, 588915), (54, 523480), (60, 471132), (69, 409680), (72, 392610), (80, 353349), (90, 314088), (92, 307260), (108, 261740), (115, 245808), (120, 235566), (135, 209392), (138, 204840), (144, 196305), (180, 157044), (184, 153630), (207, 136560), (216, 130870), (230, 122904), (240, 117783), (270, 104696), (276, 102420), (345, 81936), (360, 78522), (368, 76815), (414, 68280), (432, 65435), (460, 61452), (540, 52348), (552, 51210), (569, 49680), (621, 45520), (690, 40968), (720, 39261), (828, 34140), (920, 30726), (1035, 27312), (1080, 26174), (1104, 25605), (1138, 24840), (1242, 22760), (1380, 20484), (1656, 17070), (1707, 16560), (1840, 15363), (2070, 13656), (2160, 13087), (2276, 12420), (2484, 11380), (2760, 10242), (2845, 9936), (3105, 9104), (3312, 8535), (3414, 8280), (4140, 6828), (4552, 6210), (4968, 5690), (5121, 5520)]