123772460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{79}}^1$

素因数の和:164

約数の個数: 144

約数和(自身を含む): 327720960

約数和(自身を除く): 203948500

約数列:

[1, 2, 4, 5, 7, 10, 14, 19, 20, 28, 31, 35, 38, 62, 70, 76, 79, 95, 124, 133, 140, 155, 158, 190, 217, 266, 310, 316, 361, 380, 395, 434, 532, 553, 589, 620, 665, 722, 790, 868, 1085, 1106, 1178, 1330, 1444, 1501, 1580, 1805, 2170, 2212, 2356, 2449, 2527, 2660, 2765, 2945, 3002, 3610, 4123, 4340, 4898, 5054, 5530, 5890, 6004, 7220, 7505, 8246, 9796, 10108, 10507, 11060, 11191, 11780, 12245, 12635, 15010, 16492, 17143, 20615, 21014, 22382, 24490, 25270, 28519, 30020, 34286, 41230, 42028, 44764, 46531, 48980, 50540, 52535, 55955, 57038, 68572, 78337, 82460, 85715, 93062, 105070, 111910, 114076, 142595, 156674, 171430, 186124, 199633, 210140, 223820, 232655, 285190, 313348, 325717, 342860, 391685, 399266, 465310, 570380, 651434, 783370, 798532, 884089, 930620, 998165, 1302868, 1566740, 1628585, 1768178, 1996330, 3257170, 3536356, 3992660, 4420445, 6188623, 6514340, 8840890, 12377246, 17681780, 24754492, 30943115, 61886230, 123772460]

約数ペア:

[(1, 123772460), (2, 61886230), (4, 30943115), (5, 24754492), (7, 17681780), (10, 12377246), (14, 8840890), (19, 6514340), (20, 6188623), (28, 4420445), (31, 3992660), (35, 3536356), (38, 3257170), (62, 1996330), (70, 1768178), (76, 1628585), (79, 1566740), (95, 1302868), (124, 998165), (133, 930620), (140, 884089), (155, 798532), (158, 783370), (190, 651434), (217, 570380), (266, 465310), (310, 399266), (316, 391685), (361, 342860), (380, 325717), (395, 313348), (434, 285190), (532, 232655), (553, 223820), (589, 210140), (620, 199633), (665, 186124), (722, 171430), (790, 156674), (868, 142595), (1085, 114076), (1106, 111910), (1178, 105070), (1330, 93062), (1444, 85715), (1501, 82460), (1580, 78337), (1805, 68572), (2170, 57038), (2212, 55955), (2356, 52535), (2449, 50540), (2527, 48980), (2660, 46531), (2765, 44764), (2945, 42028), (3002, 41230), (3610, 34286), (4123, 30020), (4340, 28519), (4898, 25270), (5054, 24490), (5530, 22382), (5890, 21014), (6004, 20615), (7220, 17143), (7505, 16492), (8246, 15010), (9796, 12635), (10108, 12245), (10507, 11780), (11060, 11191)]