18845280

素因数分解:

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

素因数の和:613

約数の個数: 144

約数和(自身を含む): 67223520

約数和(自身を除く): 48378240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 32, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 96, 115, 120, 138, 144, 160, 180, 184, 207, 230, 240, 276, 288, 345, 360, 368, 414, 460, 480, 552, 569, 690, 720, 736, 828, 920, 1035, 1104, 1138, 1380, 1440, 1656, 1707, 1840, 2070, 2208, 2276, 2760, 2845, 3312, 3414, 3680, 4140, 4552, 5121, 5520, 5690, 6624, 6828, 8280, 8535, 9104, 10242, 11040, 11380, 13087, 13656, 16560, 17070, 18208, 20484, 22760, 25605, 26174, 27312, 33120, 34140, 39261, 40968, 45520, 51210, 52348, 54624, 65435, 68280, 78522, 81936, 91040, 102420, 104696, 117783, 130870, 136560, 157044, 163872, 196305, 204840, 209392, 235566, 261740, 273120, 314088, 392610, 409680, 418784, 471132, 523480, 588915, 628176, 785220, 819360, 942264, 1046960, 1177830, 1256352, 1570440, 1884528, 2093920, 2355660, 3140880, 3769056, 4711320, 6281760, 9422640, 18845280]

約数ペア:

[(1, 18845280), (2, 9422640), (3, 6281760), (4, 4711320), (5, 3769056), (6, 3140880), (8, 2355660), (9, 2093920), (10, 1884528), (12, 1570440), (15, 1256352), (16, 1177830), (18, 1046960), (20, 942264), (23, 819360), (24, 785220), (30, 628176), (32, 588915), (36, 523480), (40, 471132), (45, 418784), (46, 409680), (48, 392610), (60, 314088), (69, 273120), (72, 261740), (80, 235566), (90, 209392), (92, 204840), (96, 196305), (115, 163872), (120, 157044), (138, 136560), (144, 130870), (160, 117783), (180, 104696), (184, 102420), (207, 91040), (230, 81936), (240, 78522), (276, 68280), (288, 65435), (345, 54624), (360, 52348), (368, 51210), (414, 45520), (460, 40968), (480, 39261), (552, 34140), (569, 33120), (690, 27312), (720, 26174), (736, 25605), (828, 22760), (920, 20484), (1035, 18208), (1104, 17070), (1138, 16560), (1380, 13656), (1440, 13087), (1656, 11380), (1707, 11040), (1840, 10242), (2070, 9104), (2208, 8535), (2276, 8280), (2760, 6828), (2845, 6624), (3312, 5690), (3414, 5520), (3680, 5121), (4140, 4552)]