259838040

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{461}}^1$

素因数の和:554

約数の個数: 256

約数和(自身を含む): 989936640

約数和(自身を除く): 730098600

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 14, 15, 20, 21, 22, 24, 28, 30, 33, 35, 40, 42, 44, 55, 56, 60, 61, 66, 70, 77, 84, 88, 105, 110, 120, 122, 132, 140, 154, 165, 168, 183, 210, 220, 231, 244, 264, 280, 305, 308, 330, 366, 385, 420, 427, 440, 461, 462, 488, 610, 616, 660, 671, 732, 770, 840, 854, 915, 922, 924, 1155, 1220, 1281, 1320, 1342, 1383, 1464, 1540, 1708, 1830, 1844, 1848, 2013, 2135, 2305, 2310, 2440, 2562, 2684, 2766, 3080, 3227, 3355, 3416, 3660, 3688, 4026, 4270, 4610, 4620, 4697, 5071, 5124, 5368, 5532, 6405, 6454, 6710, 6915, 7320, 8052, 8540, 9220, 9240, 9394, 9681, 10065, 10142, 10248, 11064, 12810, 12908, 13420, 13830, 14091, 15213, 16104, 16135, 17080, 18440, 18788, 19362, 20130, 20284, 23485, 25355, 25620, 25816, 26840, 27660, 28121, 28182, 30426, 32270, 35497, 37576, 38724, 40260, 40568, 46970, 48405, 50710, 51240, 55320, 56242, 56364, 60852, 64540, 70455, 70994, 76065, 77448, 80520, 84363, 93940, 96810, 101420, 106491, 112484, 112728, 121704, 129080, 140605, 140910, 141988, 152130, 168726, 177485, 187880, 193620, 196847, 202840, 212982, 224968, 281210, 281820, 283976, 304260, 309331, 337452, 354970, 387240, 393694, 421815, 425964, 532455, 562420, 563640, 590541, 608520, 618662, 674904, 709940, 787388, 843630, 851928, 927993, 984235, 1064910, 1124840, 1181082, 1237324, 1419880, 1546655, 1574776, 1687260, 1855986, 1968470, 2129820, 2165317, 2362164, 2474648, 2952705, 3093310, 3374520, 3711972, 3936940, 4259640, 4330634, 4639965, 4724328, 5905410, 6186620, 6495951, 7423944, 7873880, 8661268, 9279930, 10826585, 11810820, 12373240, 12991902, 17322536, 18559860, 21653170, 23621640, 25983804, 32479755, 37119720, 43306340, 51967608, 64959510, 86612680, 129919020, 259838040]

約数ペア:

[(1, 259838040), (2, 129919020), (3, 86612680), (4, 64959510), (5, 51967608), (6, 43306340), (7, 37119720), (8, 32479755), (10, 25983804), (11, 23621640), (12, 21653170), (14, 18559860), (15, 17322536), (20, 12991902), (21, 12373240), (22, 11810820), (24, 10826585), (28, 9279930), (30, 8661268), (33, 7873880), (35, 7423944), (40, 6495951), (42, 6186620), (44, 5905410), (55, 4724328), (56, 4639965), (60, 4330634), (61, 4259640), (66, 3936940), (70, 3711972), (77, 3374520), (84, 3093310), (88, 2952705), (105, 2474648), (110, 2362164), (120, 2165317), (122, 2129820), (132, 1968470), (140, 1855986), (154, 1687260), (165, 1574776), (168, 1546655), (183, 1419880), (210, 1237324), (220, 1181082), (231, 1124840), (244, 1064910), (264, 984235), (280, 927993), (305, 851928), (308, 843630), (330, 787388), (366, 709940), (385, 674904), (420, 618662), (427, 608520), (440, 590541), (461, 563640), (462, 562420), (488, 532455), (610, 425964), (616, 421815), (660, 393694), (671, 387240), (732, 354970), (770, 337452), (840, 309331), (854, 304260), (915, 283976), (922, 281820), (924, 281210), (1155, 224968), (1220, 212982), (1281, 202840), (1320, 196847), (1342, 193620), (1383, 187880), (1464, 177485), (1540, 168726), (1708, 152130), (1830, 141988), (1844, 140910), (1848, 140605), (2013, 129080), (2135, 121704), (2305, 112728), (2310, 112484), (2440, 106491), (2562, 101420), (2684, 96810), (2766, 93940), (3080, 84363), (3227, 80520), (3355, 77448), (3416, 76065), (3660, 70994), (3688, 70455), (4026, 64540), (4270, 60852), (4610, 56364), (4620, 56242), (4697, 55320), (5071, 51240), (5124, 50710), (5368, 48405), (5532, 46970), (6405, 40568), (6454, 40260), (6710, 38724), (6915, 37576), (7320, 35497), (8052, 32270), (8540, 30426), (9220, 28182), (9240, 28121), (9394, 27660), (9681, 26840), (10065, 25816), (10142, 25620), (10248, 25355), (11064, 23485), (12810, 20284), (12908, 20130), (13420, 19362), (13830, 18788), (14091, 18440), (15213, 17080), (16104, 16135)]