19681560

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{2377}}^1$

素因数の和:2417

約数の個数: 96

約数和(自身を含む): 66774240

約数和(自身を除く): 47092680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 23, 24, 30, 36, 40, 45, 46, 60, 69, 72, 90, 92, 115, 120, 138, 180, 184, 207, 230, 276, 345, 360, 414, 460, 552, 690, 828, 920, 1035, 1380, 1656, 2070, 2377, 2760, 4140, 4754, 7131, 8280, 9508, 11885, 14262, 19016, 21393, 23770, 28524, 35655, 42786, 47540, 54671, 57048, 71310, 85572, 95080, 106965, 109342, 142620, 164013, 171144, 213930, 218684, 273355, 285240, 328026, 427860, 437368, 492039, 546710, 656052, 820065, 855720, 984078, 1093420, 1312104, 1640130, 1968156, 2186840, 2460195, 3280260, 3936312, 4920390, 6560520, 9840780, 19681560]

約数ペア:

[(1, 19681560), (2, 9840780), (3, 6560520), (4, 4920390), (5, 3936312), (6, 3280260), (8, 2460195), (9, 2186840), (10, 1968156), (12, 1640130), (15, 1312104), (18, 1093420), (20, 984078), (23, 855720), (24, 820065), (30, 656052), (36, 546710), (40, 492039), (45, 437368), (46, 427860), (60, 328026), (69, 285240), (72, 273355), (90, 218684), (92, 213930), (115, 171144), (120, 164013), (138, 142620), (180, 109342), (184, 106965), (207, 95080), (230, 85572), (276, 71310), (345, 57048), (360, 54671), (414, 47540), (460, 42786), (552, 35655), (690, 28524), (828, 23770), (920, 21393), (1035, 19016), (1380, 14262), (1656, 11885), (2070, 9508), (2377, 8280), (2760, 7131), (4140, 4754)]