18312240

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{1861}}^1$

素因数の和:1918

約数の個数: 80

約数和(自身を含む): 58183776

約数和(自身を除く): 39871536

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 41, 48, 60, 80, 82, 120, 123, 164, 205, 240, 246, 328, 410, 492, 615, 656, 820, 984, 1230, 1640, 1861, 1968, 2460, 3280, 3722, 4920, 5583, 7444, 9305, 9840, 11166, 14888, 18610, 22332, 27915, 29776, 37220, 44664, 55830, 74440, 76301, 89328, 111660, 148880, 152602, 223320, 228903, 305204, 381505, 446640, 457806, 610408, 763010, 915612, 1144515, 1220816, 1526020, 1831224, 2289030, 3052040, 3662448, 4578060, 6104080, 9156120, 18312240]

約数ペア:

[(1, 18312240), (2, 9156120), (3, 6104080), (4, 4578060), (5, 3662448), (6, 3052040), (8, 2289030), (10, 1831224), (12, 1526020), (15, 1220816), (16, 1144515), (20, 915612), (24, 763010), (30, 610408), (40, 457806), (41, 446640), (48, 381505), (60, 305204), (80, 228903), (82, 223320), (120, 152602), (123, 148880), (164, 111660), (205, 89328), (240, 76301), (246, 74440), (328, 55830), (410, 44664), (492, 37220), (615, 29776), (656, 27915), (820, 22332), (984, 18610), (1230, 14888), (1640, 11166), (1861, 9840), (1968, 9305), (2460, 7444), (3280, 5583), (3722, 4920)]