31161900

素因数分解:

$2^2\times 3^1\times 5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1$

素因数の和:125

約数の個数: 288

約数和(自身を含む): 119992320

約数和(自身を除く): 88830420

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 11, 12, 14, 15, 19, 20, 21, 22, 25, 28, 30, 33, 35, 38, 42, 44, 50, 55, 57, 60, 66, 70, 71, 75, 76, 77, 84, 95, 100, 105, 110, 114, 132, 133, 140, 142, 150, 154, 165, 175, 190, 209, 210, 213, 220, 228, 231, 266, 275, 284, 285, 300, 308, 330, 350, 355, 380, 385, 399, 418, 420, 426, 462, 475, 497, 525, 532, 550, 570, 627, 660, 665, 700, 710, 770, 781, 798, 825, 836, 852, 924, 950, 994, 1045, 1050, 1065, 1100, 1140, 1155, 1254, 1330, 1349, 1420, 1425, 1463, 1491, 1540, 1562, 1596, 1650, 1775, 1900, 1925, 1988, 1995, 2090, 2100, 2130, 2310, 2343, 2485, 2508, 2660, 2698, 2850, 2926, 2982, 3124, 3135, 3300, 3325, 3550, 3850, 3905, 3990, 4047, 4180, 4260, 4389, 4620, 4686, 4970, 5225, 5325, 5396, 5467, 5700, 5775, 5852, 5964, 6270, 6650, 6745, 7100, 7315, 7455, 7700, 7810, 7980, 8094, 8778, 9372, 9443, 9940, 9975, 10450, 10650, 10934, 11550, 11715, 12425, 12540, 13300, 13490, 14630, 14839, 14910, 15620, 15675, 16188, 16401, 17556, 18886, 19525, 19950, 20235, 20900, 21300, 21868, 21945, 23100, 23430, 24850, 26980, 27335, 28329, 29260, 29678, 29820, 31350, 32802, 33725, 36575, 37275, 37772, 39050, 39900, 40470, 43890, 44517, 46860, 47215, 49700, 54670, 56658, 58575, 59356, 62700, 65604, 67450, 73150, 74195, 74550, 78100, 80940, 82005, 87780, 89034, 94430, 101175, 103873, 109340, 109725, 113316, 117150, 134900, 136675, 141645, 146300, 148390, 149100, 164010, 178068, 188860, 202350, 207746, 219450, 222585, 234300, 236075, 273350, 283290, 296780, 311619, 328020, 370975, 404700, 410025, 415492, 438900, 445170, 472150, 519365, 546700, 566580, 623238, 708225, 741950, 820050, 890340, 944300, 1038730, 1112925, 1246476, 1416450, 1483900, 1558095, 1640100, 2077460, 2225850, 2596825, 2832900, 3116190, 4451700, 5193650, 6232380, 7790475, 10387300, 15580950, 31161900]

約数ペア:

[(1, 31161900), (2, 15580950), (3, 10387300), (4, 7790475), (5, 6232380), (6, 5193650), (7, 4451700), (10, 3116190), (11, 2832900), (12, 2596825), (14, 2225850), (15, 2077460), (19, 1640100), (20, 1558095), (21, 1483900), (22, 1416450), (25, 1246476), (28, 1112925), (30, 1038730), (33, 944300), (35, 890340), (38, 820050), (42, 741950), (44, 708225), (50, 623238), (55, 566580), (57, 546700), (60, 519365), (66, 472150), (70, 445170), (71, 438900), (75, 415492), (76, 410025), (77, 404700), (84, 370975), (95, 328020), (100, 311619), (105, 296780), (110, 283290), (114, 273350), (132, 236075), (133, 234300), (140, 222585), (142, 219450), (150, 207746), (154, 202350), (165, 188860), (175, 178068), (190, 164010), (209, 149100), (210, 148390), (213, 146300), (220, 141645), (228, 136675), (231, 134900), (266, 117150), (275, 113316), (284, 109725), (285, 109340), (300, 103873), (308, 101175), (330, 94430), (350, 89034), (355, 87780), (380, 82005), (385, 80940), (399, 78100), (418, 74550), (420, 74195), (426, 73150), (462, 67450), (475, 65604), (497, 62700), (525, 59356), (532, 58575), (550, 56658), (570, 54670), (627, 49700), (660, 47215), (665, 46860), (700, 44517), (710, 43890), (770, 40470), (781, 39900), (798, 39050), (825, 37772), (836, 37275), (852, 36575), (924, 33725), (950, 32802), (994, 31350), (1045, 29820), (1050, 29678), (1065, 29260), (1100, 28329), (1140, 27335), (1155, 26980), (1254, 24850), (1330, 23430), (1349, 23100), (1420, 21945), (1425, 21868), (1463, 21300), (1491, 20900), (1540, 20235), (1562, 19950), (1596, 19525), (1650, 18886), (1775, 17556), (1900, 16401), (1925, 16188), (1988, 15675), (1995, 15620), (2090, 14910), (2100, 14839), (2130, 14630), (2310, 13490), (2343, 13300), (2485, 12540), (2508, 12425), (2660, 11715), (2698, 11550), (2850, 10934), (2926, 10650), (2982, 10450), (3124, 9975), (3135, 9940), (3300, 9443), (3325, 9372), (3550, 8778), (3850, 8094), (3905, 7980), (3990, 7810), (4047, 7700), (4180, 7455), (4260, 7315), (4389, 7100), (4620, 6745), (4686, 6650), (4970, 6270), (5225, 5964), (5325, 5852), (5396, 5775), (5467, 5700)]