31171140

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{173}}^1$

素因数の和:219

約数の個数: 288

約数和(自身を含む): 127685376

約数和(自身を除く): 96514236

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 18, 20, 21, 22, 26, 28, 30, 33, 35, 36, 39, 42, 44, 45, 52, 55, 60, 63, 65, 66, 70, 77, 78, 84, 90, 91, 99, 105, 110, 117, 126, 130, 132, 140, 143, 154, 156, 165, 173, 180, 182, 195, 198, 210, 220, 231, 234, 252, 260, 273, 286, 308, 315, 330, 346, 364, 385, 390, 396, 420, 429, 455, 462, 468, 495, 519, 546, 572, 585, 630, 660, 692, 693, 715, 770, 780, 819, 858, 865, 910, 924, 990, 1001, 1038, 1092, 1155, 1170, 1211, 1260, 1287, 1365, 1386, 1430, 1540, 1557, 1638, 1716, 1730, 1820, 1903, 1980, 2002, 2076, 2145, 2249, 2310, 2340, 2422, 2574, 2595, 2730, 2772, 2860, 3003, 3114, 3276, 3460, 3465, 3633, 3806, 4004, 4095, 4290, 4498, 4620, 4844, 5005, 5148, 5190, 5460, 5709, 6006, 6055, 6228, 6435, 6747, 6930, 7266, 7612, 7785, 8190, 8580, 8996, 9009, 9515, 10010, 10380, 10899, 11245, 11418, 12012, 12110, 12870, 13321, 13494, 13860, 14532, 15015, 15570, 15743, 16380, 17127, 18018, 18165, 19030, 20020, 20241, 21798, 22490, 22836, 24220, 24739, 25740, 26642, 26988, 28545, 30030, 31140, 31486, 33735, 34254, 36036, 36330, 38060, 39963, 40482, 43596, 44980, 45045, 47229, 49478, 53284, 54495, 57090, 60060, 62972, 66605, 67470, 68508, 72660, 74217, 78715, 79926, 80964, 85635, 90090, 94458, 98956, 101205, 108990, 114180, 119889, 123695, 133210, 134940, 141687, 148434, 157430, 159852, 171270, 173173, 180180, 188916, 199815, 202410, 217980, 222651, 236145, 239778, 247390, 266420, 283374, 296868, 314860, 342540, 346346, 371085, 399630, 404820, 445302, 472290, 479556, 494780, 519519, 566748, 599445, 692692, 708435, 742170, 799260, 865865, 890604, 944580, 1039038, 1113255, 1198890, 1416870, 1484340, 1558557, 1731730, 2078076, 2226510, 2397780, 2597595, 2833740, 3117114, 3463460, 4453020, 5195190, 6234228, 7792785, 10390380, 15585570, 31171140]

約数ペア:

[(1, 31171140), (2, 15585570), (3, 10390380), (4, 7792785), (5, 6234228), (6, 5195190), (7, 4453020), (9, 3463460), (10, 3117114), (11, 2833740), (12, 2597595), (13, 2397780), (14, 2226510), (15, 2078076), (18, 1731730), (20, 1558557), (21, 1484340), (22, 1416870), (26, 1198890), (28, 1113255), (30, 1039038), (33, 944580), (35, 890604), (36, 865865), (39, 799260), (42, 742170), (44, 708435), (45, 692692), (52, 599445), (55, 566748), (60, 519519), (63, 494780), (65, 479556), (66, 472290), (70, 445302), (77, 404820), (78, 399630), (84, 371085), (90, 346346), (91, 342540), (99, 314860), (105, 296868), (110, 283374), (117, 266420), (126, 247390), (130, 239778), (132, 236145), (140, 222651), (143, 217980), (154, 202410), (156, 199815), (165, 188916), (173, 180180), (180, 173173), (182, 171270), (195, 159852), (198, 157430), (210, 148434), (220, 141687), (231, 134940), (234, 133210), (252, 123695), (260, 119889), (273, 114180), (286, 108990), (308, 101205), (315, 98956), (330, 94458), (346, 90090), (364, 85635), (385, 80964), (390, 79926), (396, 78715), (420, 74217), (429, 72660), (455, 68508), (462, 67470), (468, 66605), (495, 62972), (519, 60060), (546, 57090), (572, 54495), (585, 53284), (630, 49478), (660, 47229), (692, 45045), (693, 44980), (715, 43596), (770, 40482), (780, 39963), (819, 38060), (858, 36330), (865, 36036), (910, 34254), (924, 33735), (990, 31486), (1001, 31140), (1038, 30030), (1092, 28545), (1155, 26988), (1170, 26642), (1211, 25740), (1260, 24739), (1287, 24220), (1365, 22836), (1386, 22490), (1430, 21798), (1540, 20241), (1557, 20020), (1638, 19030), (1716, 18165), (1730, 18018), (1820, 17127), (1903, 16380), (1980, 15743), (2002, 15570), (2076, 15015), (2145, 14532), (2249, 13860), (2310, 13494), (2340, 13321), (2422, 12870), (2574, 12110), (2595, 12012), (2730, 11418), (2772, 11245), (2860, 10899), (3003, 10380), (3114, 10010), (3276, 9515), (3460, 9009), (3465, 8996), (3633, 8580), (3806, 8190), (4004, 7785), (4095, 7612), (4290, 7266), (4498, 6930), (4620, 6747), (4844, 6435), (5005, 6228), (5148, 6055), (5190, 6006), (5460, 5709)]