61720960

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{599}}^1$

素因数の和:648

約数の個数: 128

約数和(自身を含む): 176256000

約数和(自身を除く): 114535040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 28, 32, 35, 40, 46, 56, 64, 70, 80, 92, 112, 115, 128, 140, 160, 161, 184, 224, 230, 280, 320, 322, 368, 448, 460, 560, 599, 640, 644, 736, 805, 896, 920, 1120, 1198, 1288, 1472, 1610, 1840, 2240, 2396, 2576, 2944, 2995, 3220, 3680, 4193, 4480, 4792, 5152, 5990, 6440, 7360, 8386, 9584, 10304, 11980, 12880, 13777, 14720, 16772, 19168, 20608, 20965, 23960, 25760, 27554, 33544, 38336, 41930, 47920, 51520, 55108, 67088, 68885, 76672, 83860, 95840, 96439, 103040, 110216, 134176, 137770, 167720, 191680, 192878, 220432, 268352, 275540, 335440, 383360, 385756, 440864, 482195, 536704, 551080, 670880, 771512, 881728, 964390, 1102160, 1341760, 1543024, 1763456, 1928780, 2204320, 2683520, 3086048, 3857560, 4408640, 6172096, 7715120, 8817280, 12344192, 15430240, 30860480, 61720960]

約数ペア:

[(1, 61720960), (2, 30860480), (4, 15430240), (5, 12344192), (7, 8817280), (8, 7715120), (10, 6172096), (14, 4408640), (16, 3857560), (20, 3086048), (23, 2683520), (28, 2204320), (32, 1928780), (35, 1763456), (40, 1543024), (46, 1341760), (56, 1102160), (64, 964390), (70, 881728), (80, 771512), (92, 670880), (112, 551080), (115, 536704), (128, 482195), (140, 440864), (160, 385756), (161, 383360), (184, 335440), (224, 275540), (230, 268352), (280, 220432), (320, 192878), (322, 191680), (368, 167720), (448, 137770), (460, 134176), (560, 110216), (599, 103040), (640, 96439), (644, 95840), (736, 83860), (805, 76672), (896, 68885), (920, 67088), (1120, 55108), (1198, 51520), (1288, 47920), (1472, 41930), (1610, 38336), (1840, 33544), (2240, 27554), (2396, 25760), (2576, 23960), (2944, 20965), (2995, 20608), (3220, 19168), (3680, 16772), (4193, 14720), (4480, 13777), (4792, 12880), (5152, 11980), (5990, 10304), (6440, 9584), (7360, 8386)]