261230760

素因数分解:

$2^3\times 3^2\times 5^1\times 7^2\times {\mathrm{59}}^1\times {\mathrm{251}}^1$

素因数の和:341

約数の個数: 288

約数和(自身を含む): 1008352800

約数和(自身を除く): 747122040

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 49, 56, 59, 60, 63, 70, 72, 84, 90, 98, 105, 118, 120, 126, 140, 147, 168, 177, 180, 196, 210, 236, 245, 251, 252, 280, 294, 295, 315, 354, 360, 392, 413, 420, 441, 472, 490, 502, 504, 531, 588, 590, 630, 708, 735, 753, 826, 840, 882, 885, 980, 1004, 1062, 1176, 1180, 1239, 1255, 1260, 1416, 1470, 1506, 1652, 1757, 1764, 1770, 1960, 2008, 2065, 2124, 2205, 2259, 2360, 2478, 2510, 2520, 2655, 2891, 2940, 3012, 3304, 3514, 3528, 3540, 3717, 3765, 4130, 4248, 4410, 4518, 4956, 5020, 5271, 5310, 5782, 5880, 6024, 6195, 7028, 7080, 7434, 7530, 8260, 8673, 8785, 8820, 9036, 9912, 10040, 10542, 10620, 11295, 11564, 12299, 12390, 14056, 14455, 14809, 14868, 15060, 15813, 16520, 17346, 17570, 17640, 18072, 18585, 21084, 21240, 22590, 23128, 24598, 24780, 26019, 26355, 28910, 29618, 29736, 30120, 31626, 34692, 35140, 36897, 37170, 42168, 43365, 44427, 45180, 49196, 49560, 52038, 52710, 57820, 59236, 61495, 63252, 69384, 70280, 73794, 74045, 74340, 79065, 86730, 88854, 90360, 98392, 103663, 104076, 105420, 110691, 115640, 118472, 122990, 126504, 130095, 133281, 147588, 148090, 148680, 158130, 173460, 177708, 184485, 207326, 208152, 210840, 221382, 222135, 245980, 260190, 266562, 295176, 296180, 310989, 316260, 346920, 355416, 368970, 414652, 442764, 444270, 491960, 518315, 520380, 533124, 553455, 592360, 621978, 632520, 666405, 725641, 737940, 829304, 885528, 888540, 932967, 1036630, 1040760, 1066248, 1106910, 1243956, 1332810, 1451282, 1475880, 1554945, 1777080, 1865934, 2073260, 2176923, 2213820, 2487912, 2665620, 2902564, 3109890, 3628205, 3731868, 4146520, 4353846, 4427640, 4664835, 5331240, 5805128, 6219780, 6530769, 7256410, 7463736, 8707692, 9329670, 10884615, 12439560, 13061538, 14512820, 17415384, 18659340, 21769230, 26123076, 29025640, 32653845, 37318680, 43538460, 52246152, 65307690, 87076920, 130615380, 261230760]

約数ペア:

[(1, 261230760), (2, 130615380), (3, 87076920), (4, 65307690), (5, 52246152), (6, 43538460), (7, 37318680), (8, 32653845), (9, 29025640), (10, 26123076), (12, 21769230), (14, 18659340), (15, 17415384), (18, 14512820), (20, 13061538), (21, 12439560), (24, 10884615), (28, 9329670), (30, 8707692), (35, 7463736), (36, 7256410), (40, 6530769), (42, 6219780), (45, 5805128), (49, 5331240), (56, 4664835), (59, 4427640), (60, 4353846), (63, 4146520), (70, 3731868), (72, 3628205), (84, 3109890), (90, 2902564), (98, 2665620), (105, 2487912), (118, 2213820), (120, 2176923), (126, 2073260), (140, 1865934), (147, 1777080), (168, 1554945), (177, 1475880), (180, 1451282), (196, 1332810), (210, 1243956), (236, 1106910), (245, 1066248), (251, 1040760), (252, 1036630), (280, 932967), (294, 888540), (295, 885528), (315, 829304), (354, 737940), (360, 725641), (392, 666405), (413, 632520), (420, 621978), (441, 592360), (472, 553455), (490, 533124), (502, 520380), (504, 518315), (531, 491960), (588, 444270), (590, 442764), (630, 414652), (708, 368970), (735, 355416), (753, 346920), (826, 316260), (840, 310989), (882, 296180), (885, 295176), (980, 266562), (1004, 260190), (1062, 245980), (1176, 222135), (1180, 221382), (1239, 210840), (1255, 208152), (1260, 207326), (1416, 184485), (1470, 177708), (1506, 173460), (1652, 158130), (1757, 148680), (1764, 148090), (1770, 147588), (1960, 133281), (2008, 130095), (2065, 126504), (2124, 122990), (2205, 118472), (2259, 115640), (2360, 110691), (2478, 105420), (2510, 104076), (2520, 103663), (2655, 98392), (2891, 90360), (2940, 88854), (3012, 86730), (3304, 79065), (3514, 74340), (3528, 74045), (3540, 73794), (3717, 70280), (3765, 69384), (4130, 63252), (4248, 61495), (4410, 59236), (4518, 57820), (4956, 52710), (5020, 52038), (5271, 49560), (5310, 49196), (5782, 45180), (5880, 44427), (6024, 43365), (6195, 42168), (7028, 37170), (7080, 36897), (7434, 35140), (7530, 34692), (8260, 31626), (8673, 30120), (8785, 29736), (8820, 29618), (9036, 28910), (9912, 26355), (10040, 26019), (10542, 24780), (10620, 24598), (11295, 23128), (11564, 22590), (12299, 21240), (12390, 21084), (14056, 18585), (14455, 18072), (14809, 17640), (14868, 17570), (15060, 17346), (15813, 16520)]