27991920

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{461}}^1$

素因数の和:511

約数の個数: 160

約数和(自身を含む): 98993664

約数和(自身を除く): 71001744

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 23, 24, 30, 33, 40, 44, 46, 48, 55, 60, 66, 69, 80, 88, 92, 110, 115, 120, 132, 138, 165, 176, 184, 220, 230, 240, 253, 264, 276, 330, 345, 368, 440, 460, 461, 506, 528, 552, 660, 690, 759, 880, 920, 922, 1012, 1104, 1265, 1320, 1380, 1383, 1518, 1840, 1844, 2024, 2305, 2530, 2640, 2760, 2766, 3036, 3688, 3795, 4048, 4610, 5060, 5071, 5520, 5532, 6072, 6915, 7376, 7590, 9220, 10120, 10142, 10603, 11064, 12144, 13830, 15180, 15213, 18440, 20240, 20284, 21206, 22128, 25355, 27660, 30360, 30426, 31809, 36880, 40568, 42412, 50710, 53015, 55320, 60720, 60852, 63618, 76065, 81136, 84824, 101420, 106030, 110640, 116633, 121704, 127236, 152130, 159045, 169648, 202840, 212060, 233266, 243408, 254472, 304260, 318090, 349899, 405680, 424120, 466532, 508944, 583165, 608520, 636180, 699798, 848240, 933064, 1166330, 1217040, 1272360, 1399596, 1749495, 1866128, 2332660, 2544720, 2799192, 3498990, 4665320, 5598384, 6997980, 9330640, 13995960, 27991920]

約数ペア:

[(1, 27991920), (2, 13995960), (3, 9330640), (4, 6997980), (5, 5598384), (6, 4665320), (8, 3498990), (10, 2799192), (11, 2544720), (12, 2332660), (15, 1866128), (16, 1749495), (20, 1399596), (22, 1272360), (23, 1217040), (24, 1166330), (30, 933064), (33, 848240), (40, 699798), (44, 636180), (46, 608520), (48, 583165), (55, 508944), (60, 466532), (66, 424120), (69, 405680), (80, 349899), (88, 318090), (92, 304260), (110, 254472), (115, 243408), (120, 233266), (132, 212060), (138, 202840), (165, 169648), (176, 159045), (184, 152130), (220, 127236), (230, 121704), (240, 116633), (253, 110640), (264, 106030), (276, 101420), (330, 84824), (345, 81136), (368, 76065), (440, 63618), (460, 60852), (461, 60720), (506, 55320), (528, 53015), (552, 50710), (660, 42412), (690, 40568), (759, 36880), (880, 31809), (920, 30426), (922, 30360), (1012, 27660), (1104, 25355), (1265, 22128), (1320, 21206), (1380, 20284), (1383, 20240), (1518, 18440), (1840, 15213), (1844, 15180), (2024, 13830), (2305, 12144), (2530, 11064), (2640, 10603), (2760, 10142), (2766, 10120), (3036, 9220), (3688, 7590), (3795, 7376), (4048, 6915), (4610, 6072), (5060, 5532), (5071, 5520)]