31208320

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1$

素因数の和:85

約数の個数: 192

約数和(自身を含む): 91163520

約数和(自身を除く): 59955200

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 31, 32, 40, 44, 52, 55, 62, 64, 65, 80, 88, 104, 110, 121, 124, 128, 130, 143, 155, 160, 176, 208, 220, 242, 248, 260, 286, 310, 320, 341, 352, 403, 416, 440, 484, 496, 520, 572, 605, 620, 640, 682, 704, 715, 806, 832, 880, 968, 992, 1040, 1144, 1210, 1240, 1364, 1408, 1430, 1573, 1612, 1664, 1705, 1760, 1936, 1984, 2015, 2080, 2288, 2420, 2480, 2728, 2860, 3146, 3224, 3410, 3520, 3751, 3872, 3968, 4030, 4160, 4433, 4576, 4840, 4960, 5456, 5720, 6292, 6448, 6820, 7040, 7502, 7744, 7865, 8060, 8320, 8866, 9152, 9680, 9920, 10912, 11440, 12584, 12896, 13640, 15004, 15488, 15730, 16120, 17732, 18304, 18755, 19360, 19840, 21824, 22165, 22880, 25168, 25792, 27280, 30008, 31460, 32240, 35464, 37510, 38720, 43648, 44330, 45760, 48763, 50336, 51584, 54560, 60016, 62920, 64480, 70928, 75020, 77440, 88660, 91520, 97526, 100672, 109120, 120032, 125840, 128960, 141856, 150040, 177320, 195052, 201344, 218240, 240064, 243815, 251680, 257920, 283712, 300080, 354640, 390104, 480128, 487630, 503360, 567424, 600160, 709280, 780208, 975260, 1006720, 1200320, 1418560, 1560416, 1950520, 2400640, 2837120, 3120832, 3901040, 6241664, 7802080, 15604160, 31208320]

約数ペア:

[(1, 31208320), (2, 15604160), (4, 7802080), (5, 6241664), (8, 3901040), (10, 3120832), (11, 2837120), (13, 2400640), (16, 1950520), (20, 1560416), (22, 1418560), (26, 1200320), (31, 1006720), (32, 975260), (40, 780208), (44, 709280), (52, 600160), (55, 567424), (62, 503360), (64, 487630), (65, 480128), (80, 390104), (88, 354640), (104, 300080), (110, 283712), (121, 257920), (124, 251680), (128, 243815), (130, 240064), (143, 218240), (155, 201344), (160, 195052), (176, 177320), (208, 150040), (220, 141856), (242, 128960), (248, 125840), (260, 120032), (286, 109120), (310, 100672), (320, 97526), (341, 91520), (352, 88660), (403, 77440), (416, 75020), (440, 70928), (484, 64480), (496, 62920), (520, 60016), (572, 54560), (605, 51584), (620, 50336), (640, 48763), (682, 45760), (704, 44330), (715, 43648), (806, 38720), (832, 37510), (880, 35464), (968, 32240), (992, 31460), (1040, 30008), (1144, 27280), (1210, 25792), (1240, 25168), (1364, 22880), (1408, 22165), (1430, 21824), (1573, 19840), (1612, 19360), (1664, 18755), (1705, 18304), (1760, 17732), (1936, 16120), (1984, 15730), (2015, 15488), (2080, 15004), (2288, 13640), (2420, 12896), (2480, 12584), (2728, 11440), (2860, 10912), (3146, 9920), (3224, 9680), (3410, 9152), (3520, 8866), (3751, 8320), (3872, 8060), (3968, 7865), (4030, 7744), (4160, 7502), (4433, 7040), (4576, 6820), (4840, 6448), (4960, 6292), (5456, 5720)]