31480560

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{1901}}^1$

素因数の和:1943

約数の個数: 120

約数和(自身を含む): 110376864

約数和(自身を除く): 78896304

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 690, 720, 828, 920, 1035, 1104, 1380, 1656, 1840, 1901, 2070, 2760, 3312, 3802, 4140, 5520, 5703, 7604, 8280, 9505, 11406, 15208, 16560, 17109, 19010, 22812, 28515, 30416, 34218, 38020, 43723, 45624, 57030, 68436, 76040, 85545, 87446, 91248, 114060, 131169, 136872, 152080, 171090, 174892, 218615, 228120, 262338, 273744, 342180, 349784, 393507, 437230, 456240, 524676, 655845, 684360, 699568, 787014, 874460, 1049352, 1311690, 1368720, 1574028, 1748920, 1967535, 2098704, 2623380, 3148056, 3497840, 3935070, 5246760, 6296112, 7870140, 10493520, 15740280, 31480560]

約数ペア:

[(1, 31480560), (2, 15740280), (3, 10493520), (4, 7870140), (5, 6296112), (6, 5246760), (8, 3935070), (9, 3497840), (10, 3148056), (12, 2623380), (15, 2098704), (16, 1967535), (18, 1748920), (20, 1574028), (23, 1368720), (24, 1311690), (30, 1049352), (36, 874460), (40, 787014), (45, 699568), (46, 684360), (48, 655845), (60, 524676), (69, 456240), (72, 437230), (80, 393507), (90, 349784), (92, 342180), (115, 273744), (120, 262338), (138, 228120), (144, 218615), (180, 174892), (184, 171090), (207, 152080), (230, 136872), (240, 131169), (276, 114060), (345, 91248), (360, 87446), (368, 85545), (414, 76040), (460, 68436), (552, 57030), (690, 45624), (720, 43723), (828, 38020), (920, 34218), (1035, 30416), (1104, 28515), (1380, 22812), (1656, 19010), (1840, 17109), (1901, 16560), (2070, 15208), (2760, 11406), (3312, 9505), (3802, 8280), (4140, 7604), (5520, 5703)]