75615820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:204

約数の個数: 144

約数和(自身を含む): 202245120

約数和(自身を除く): 126629300

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 49, 62, 70, 76, 95, 98, 124, 131, 133, 140, 155, 190, 196, 217, 245, 262, 266, 310, 380, 434, 490, 524, 532, 589, 620, 655, 665, 868, 917, 931, 980, 1085, 1178, 1310, 1330, 1519, 1834, 1862, 2170, 2356, 2489, 2620, 2660, 2945, 3038, 3668, 3724, 4061, 4123, 4340, 4585, 4655, 4978, 5890, 6076, 6419, 7595, 8122, 8246, 9170, 9310, 9956, 11780, 12445, 12838, 15190, 16244, 16492, 17423, 18340, 18620, 20305, 20615, 24890, 25676, 28427, 28861, 30380, 32095, 34846, 40610, 41230, 49780, 56854, 57722, 64190, 69692, 77159, 81220, 82460, 87115, 113708, 115444, 121961, 128380, 142135, 144305, 154318, 174230, 198989, 243922, 284270, 288610, 308636, 348460, 385795, 397978, 487844, 540113, 568540, 577220, 609805, 771590, 795956, 994945, 1080226, 1219610, 1543180, 1989890, 2160452, 2439220, 2700565, 3780791, 3979780, 5401130, 7561582, 10802260, 15123164, 18903955, 37807910, 75615820]

約数ペア:

[(1, 75615820), (2, 37807910), (4, 18903955), (5, 15123164), (7, 10802260), (10, 7561582), (14, 5401130), (19, 3979780), (20, 3780791), (28, 2700565), (31, 2439220), (35, 2160452), (38, 1989890), (49, 1543180), (62, 1219610), (70, 1080226), (76, 994945), (95, 795956), (98, 771590), (124, 609805), (131, 577220), (133, 568540), (140, 540113), (155, 487844), (190, 397978), (196, 385795), (217, 348460), (245, 308636), (262, 288610), (266, 284270), (310, 243922), (380, 198989), (434, 174230), (490, 154318), (524, 144305), (532, 142135), (589, 128380), (620, 121961), (655, 115444), (665, 113708), (868, 87115), (917, 82460), (931, 81220), (980, 77159), (1085, 69692), (1178, 64190), (1310, 57722), (1330, 56854), (1519, 49780), (1834, 41230), (1862, 40610), (2170, 34846), (2356, 32095), (2489, 30380), (2620, 28861), (2660, 28427), (2945, 25676), (3038, 24890), (3668, 20615), (3724, 20305), (4061, 18620), (4123, 18340), (4340, 17423), (4585, 16492), (4655, 16244), (4978, 15190), (5890, 12838), (6076, 12445), (6419, 11780), (7595, 9956), (8122, 9310), (8246, 9170)]