51899580

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{131}}^1$

素因数の和:248

約数の個数: 144

約数和(自身を含む): 166053888

約数和(自身を除く): 114154308

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 45, 60, 62, 71, 90, 93, 124, 131, 142, 155, 180, 186, 213, 262, 279, 284, 310, 355, 372, 393, 426, 465, 524, 558, 620, 639, 655, 710, 786, 852, 930, 1065, 1116, 1179, 1278, 1310, 1395, 1420, 1572, 1860, 1965, 2130, 2201, 2358, 2556, 2620, 2790, 3195, 3930, 4061, 4260, 4402, 4716, 5580, 5895, 6390, 6603, 7860, 8122, 8804, 9301, 11005, 11790, 12183, 12780, 13206, 16244, 18602, 19809, 20305, 22010, 23580, 24366, 26412, 27903, 33015, 36549, 37204, 39618, 40610, 44020, 46505, 48732, 55806, 60915, 66030, 73098, 79236, 81220, 83709, 93010, 99045, 111612, 121830, 132060, 139515, 146196, 167418, 182745, 186020, 198090, 243660, 279030, 288331, 334836, 365490, 396180, 418545, 558060, 576662, 730980, 837090, 864993, 1153324, 1441655, 1674180, 1729986, 2594979, 2883310, 3459972, 4324965, 5189958, 5766620, 8649930, 10379916, 12974895, 17299860, 25949790, 51899580]

約数ペア:

[(1, 51899580), (2, 25949790), (3, 17299860), (4, 12974895), (5, 10379916), (6, 8649930), (9, 5766620), (10, 5189958), (12, 4324965), (15, 3459972), (18, 2883310), (20, 2594979), (30, 1729986), (31, 1674180), (36, 1441655), (45, 1153324), (60, 864993), (62, 837090), (71, 730980), (90, 576662), (93, 558060), (124, 418545), (131, 396180), (142, 365490), (155, 334836), (180, 288331), (186, 279030), (213, 243660), (262, 198090), (279, 186020), (284, 182745), (310, 167418), (355, 146196), (372, 139515), (393, 132060), (426, 121830), (465, 111612), (524, 99045), (558, 93010), (620, 83709), (639, 81220), (655, 79236), (710, 73098), (786, 66030), (852, 60915), (930, 55806), (1065, 48732), (1116, 46505), (1179, 44020), (1278, 40610), (1310, 39618), (1395, 37204), (1420, 36549), (1572, 33015), (1860, 27903), (1965, 26412), (2130, 24366), (2201, 23580), (2358, 22010), (2556, 20305), (2620, 19809), (2790, 18602), (3195, 16244), (3930, 13206), (4061, 12780), (4260, 12183), (4402, 11790), (4716, 11005), (5580, 9301), (5895, 8804), (6390, 8122), (6603, 7860)]