221444460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{601}}^1$

素因数の和:728

約数の個数: 144

約数和(自身を含む): 709974720

約数和(自身を除く): 488530260

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 89, 90, 92, 115, 138, 178, 180, 207, 230, 267, 276, 345, 356, 414, 445, 460, 534, 601, 690, 801, 828, 890, 1035, 1068, 1202, 1335, 1380, 1602, 1780, 1803, 2047, 2070, 2404, 2670, 3005, 3204, 3606, 4005, 4094, 4140, 5340, 5409, 6010, 6141, 7212, 8010, 8188, 9015, 10235, 10818, 12020, 12282, 13823, 16020, 18030, 18423, 20470, 21636, 24564, 27045, 27646, 30705, 36060, 36846, 40940, 41469, 53489, 54090, 55292, 61410, 69115, 73692, 82938, 92115, 106978, 108180, 122820, 124407, 138230, 160467, 165876, 184230, 207345, 213956, 248814, 267445, 276460, 320934, 368460, 414690, 481401, 497628, 534890, 622035, 641868, 802335, 829380, 962802, 1069780, 1230247, 1244070, 1604670, 1925604, 2407005, 2460494, 2488140, 3209340, 3690741, 4814010, 4920988, 6151235, 7381482, 9628020, 11072223, 12302470, 14762964, 18453705, 22144446, 24604940, 36907410, 44288892, 55361115, 73814820, 110722230, 221444460]

約数ペア:

[(1, 221444460), (2, 110722230), (3, 73814820), (4, 55361115), (5, 44288892), (6, 36907410), (9, 24604940), (10, 22144446), (12, 18453705), (15, 14762964), (18, 12302470), (20, 11072223), (23, 9628020), (30, 7381482), (36, 6151235), (45, 4920988), (46, 4814010), (60, 3690741), (69, 3209340), (89, 2488140), (90, 2460494), (92, 2407005), (115, 1925604), (138, 1604670), (178, 1244070), (180, 1230247), (207, 1069780), (230, 962802), (267, 829380), (276, 802335), (345, 641868), (356, 622035), (414, 534890), (445, 497628), (460, 481401), (534, 414690), (601, 368460), (690, 320934), (801, 276460), (828, 267445), (890, 248814), (1035, 213956), (1068, 207345), (1202, 184230), (1335, 165876), (1380, 160467), (1602, 138230), (1780, 124407), (1803, 122820), (2047, 108180), (2070, 106978), (2404, 92115), (2670, 82938), (3005, 73692), (3204, 69115), (3606, 61410), (4005, 55292), (4094, 54090), (4140, 53489), (5340, 41469), (5409, 40940), (6010, 36846), (6141, 36060), (7212, 30705), (8010, 27646), (8188, 27045), (9015, 24564), (10235, 21636), (10818, 20470), (12020, 18423), (12282, 18030), (13823, 16020)]