18803880

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{757}}^1$

素因数の和:800

約数の個数: 128

約数和(自身を含む): 65491200

約数和(自身を除く): 46687320

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, 90, 92, 108, 115, 120, 135, 138, 180, 184, 207, 216, 230, 270, 276, 345, 360, 414, 460, 540, 552, 621, 690, 757, 828, 920, 1035, 1080, 1242, 1380, 1514, 1656, 2070, 2271, 2484, 2760, 3028, 3105, 3785, 4140, 4542, 4968, 6056, 6210, 6813, 7570, 8280, 9084, 11355, 12420, 13626, 15140, 17411, 18168, 20439, 22710, 24840, 27252, 30280, 34065, 34822, 40878, 45420, 52233, 54504, 68130, 69644, 81756, 87055, 90840, 102195, 104466, 136260, 139288, 156699, 163512, 174110, 204390, 208932, 261165, 272520, 313398, 348220, 408780, 417864, 470097, 522330, 626796, 696440, 783495, 817560, 940194, 1044660, 1253592, 1566990, 1880388, 2089320, 2350485, 3133980, 3760776, 4700970, 6267960, 9401940, 18803880]

約数ペア:

[(1, 18803880), (2, 9401940), (3, 6267960), (4, 4700970), (5, 3760776), (6, 3133980), (8, 2350485), (9, 2089320), (10, 1880388), (12, 1566990), (15, 1253592), (18, 1044660), (20, 940194), (23, 817560), (24, 783495), (27, 696440), (30, 626796), (36, 522330), (40, 470097), (45, 417864), (46, 408780), (54, 348220), (60, 313398), (69, 272520), (72, 261165), (90, 208932), (92, 204390), (108, 174110), (115, 163512), (120, 156699), (135, 139288), (138, 136260), (180, 104466), (184, 102195), (207, 90840), (216, 87055), (230, 81756), (270, 69644), (276, 68130), (345, 54504), (360, 52233), (414, 45420), (460, 40878), (540, 34822), (552, 34065), (621, 30280), (690, 27252), (757, 24840), (828, 22710), (920, 20439), (1035, 18168), (1080, 17411), (1242, 15140), (1380, 13626), (1514, 12420), (1656, 11355), (2070, 9084), (2271, 8280), (2484, 7570), (2760, 6813), (3028, 6210), (3105, 6056), (3785, 4968), (4140, 4542)]