21281569440

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{7187}}^1$

素因数の和:7435

約数の個数: 192

約数和(自身を含む): 69556838400

約数和(自身を除く): 48275268960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 31, 32, 40, 48, 60, 62, 80, 93, 96, 120, 124, 155, 160, 186, 199, 240, 248, 310, 372, 398, 465, 480, 496, 597, 620, 744, 796, 930, 992, 995, 1194, 1240, 1488, 1592, 1860, 1990, 2388, 2480, 2976, 2985, 3184, 3720, 3980, 4776, 4960, 5970, 6169, 6368, 7187, 7440, 7960, 9552, 11940, 12338, 14374, 14880, 15920, 18507, 19104, 21561, 23880, 24676, 28748, 30845, 31840, 35935, 37014, 43122, 47760, 49352, 57496, 61690, 71870, 74028, 86244, 92535, 95520, 98704, 107805, 114992, 123380, 143740, 148056, 172488, 185070, 197408, 215610, 222797, 229984, 246760, 287480, 296112, 344976, 370140, 431220, 445594, 493520, 574960, 592224, 668391, 689952, 740280, 862440, 891188, 987040, 1113985, 1149920, 1336782, 1430213, 1480560, 1724880, 1782376, 2227970, 2673564, 2860426, 2961120, 3341955, 3449760, 3564752, 4290639, 4455940, 5347128, 5720852, 6683910, 7129504, 7151065, 8581278, 8911880, 10694256, 11441704, 13367820, 14302130, 17162556, 17823760, 21388512, 21453195, 22883408, 26735640, 28604260, 34325112, 35647520, 42906390, 44336603, 45766816, 53471280, 57208520, 68650224, 85812780, 88673206, 106942560, 114417040, 133009809, 137300448, 171625560, 177346412, 221683015, 228834080, 266019618, 343251120, 354692824, 443366030, 532039236, 665049045, 686502240, 709385648, 886732060, 1064078472, 1330098090, 1418771296, 1773464120, 2128156944, 2660196180, 3546928240, 4256313888, 5320392360, 7093856480, 10640784720, 21281569440]

約数ペア:

[(1, 21281569440), (2, 10640784720), (3, 7093856480), (4, 5320392360), (5, 4256313888), (6, 3546928240), (8, 2660196180), (10, 2128156944), (12, 1773464120), (15, 1418771296), (16, 1330098090), (20, 1064078472), (24, 886732060), (30, 709385648), (31, 686502240), (32, 665049045), (40, 532039236), (48, 443366030), (60, 354692824), (62, 343251120), (80, 266019618), (93, 228834080), (96, 221683015), (120, 177346412), (124, 171625560), (155, 137300448), (160, 133009809), (186, 114417040), (199, 106942560), (240, 88673206), (248, 85812780), (310, 68650224), (372, 57208520), (398, 53471280), (465, 45766816), (480, 44336603), (496, 42906390), (597, 35647520), (620, 34325112), (744, 28604260), (796, 26735640), (930, 22883408), (992, 21453195), (995, 21388512), (1194, 17823760), (1240, 17162556), (1488, 14302130), (1592, 13367820), (1860, 11441704), (1990, 10694256), (2388, 8911880), (2480, 8581278), (2976, 7151065), (2985, 7129504), (3184, 6683910), (3720, 5720852), (3980, 5347128), (4776, 4455940), (4960, 4290639), (5970, 3564752), (6169, 3449760), (6368, 3341955), (7187, 2961120), (7440, 2860426), (7960, 2673564), (9552, 2227970), (11940, 1782376), (12338, 1724880), (14374, 1480560), (14880, 1430213), (15920, 1336782), (18507, 1149920), (19104, 1113985), (21561, 987040), (23880, 891188), (24676, 862440), (28748, 740280), (30845, 689952), (31840, 668391), (35935, 592224), (37014, 574960), (43122, 493520), (47760, 445594), (49352, 431220), (57496, 370140), (61690, 344976), (71870, 296112), (74028, 287480), (86244, 246760), (92535, 229984), (95520, 222797), (98704, 215610), (107805, 197408), (114992, 185070), (123380, 172488), (143740, 148056)]