90980820

素因数分解:

$2^2\times 3^4\times 5^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{113}}^1$

素因数の和:212

約数の個数: 240

約数和(自身を含む): 333704448

約数和(自身を除く): 242723628

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 27, 28, 30, 35, 36, 42, 45, 54, 60, 63, 70, 71, 81, 84, 90, 105, 108, 113, 126, 135, 140, 142, 162, 180, 189, 210, 213, 226, 252, 270, 284, 315, 324, 339, 355, 378, 405, 420, 426, 452, 497, 540, 565, 567, 630, 639, 678, 710, 756, 791, 810, 852, 945, 994, 1017, 1065, 1130, 1134, 1260, 1278, 1356, 1420, 1491, 1582, 1620, 1695, 1890, 1917, 1988, 2034, 2130, 2260, 2268, 2373, 2485, 2556, 2835, 2982, 3051, 3164, 3195, 3390, 3780, 3834, 3955, 4068, 4260, 4473, 4746, 4970, 5085, 5670, 5751, 5964, 6102, 6390, 6780, 7119, 7455, 7668, 7910, 8023, 8946, 9153, 9492, 9585, 9940, 10170, 11340, 11502, 11865, 12204, 12780, 13419, 14238, 14910, 15255, 15820, 16046, 17892, 18306, 19170, 20340, 21357, 22365, 23004, 23730, 24069, 26838, 28476, 28755, 29820, 30510, 32092, 35595, 36612, 38340, 40115, 40257, 42714, 44730, 45765, 47460, 48138, 53676, 56161, 57510, 61020, 64071, 67095, 71190, 72207, 80230, 80514, 85428, 89460, 91530, 96276, 106785, 112322, 115020, 120345, 128142, 134190, 142380, 144414, 160460, 161028, 168483, 183060, 201285, 213570, 216621, 224644, 240690, 256284, 268380, 280805, 288828, 320355, 336966, 361035, 402570, 427140, 433242, 481380, 505449, 561610, 640710, 649863, 673932, 722070, 805140, 842415, 866484, 1010898, 1083105, 1123220, 1281420, 1299726, 1444140, 1516347, 1684830, 2021796, 2166210, 2527245, 2599452, 3032694, 3249315, 3369660, 4332420, 4549041, 5054490, 6065388, 6498630, 7581735, 9098082, 10108980, 12997260, 15163470, 18196164, 22745205, 30326940, 45490410, 90980820]

約数ペア:

[(1, 90980820), (2, 45490410), (3, 30326940), (4, 22745205), (5, 18196164), (6, 15163470), (7, 12997260), (9, 10108980), (10, 9098082), (12, 7581735), (14, 6498630), (15, 6065388), (18, 5054490), (20, 4549041), (21, 4332420), (27, 3369660), (28, 3249315), (30, 3032694), (35, 2599452), (36, 2527245), (42, 2166210), (45, 2021796), (54, 1684830), (60, 1516347), (63, 1444140), (70, 1299726), (71, 1281420), (81, 1123220), (84, 1083105), (90, 1010898), (105, 866484), (108, 842415), (113, 805140), (126, 722070), (135, 673932), (140, 649863), (142, 640710), (162, 561610), (180, 505449), (189, 481380), (210, 433242), (213, 427140), (226, 402570), (252, 361035), (270, 336966), (284, 320355), (315, 288828), (324, 280805), (339, 268380), (355, 256284), (378, 240690), (405, 224644), (420, 216621), (426, 213570), (452, 201285), (497, 183060), (540, 168483), (565, 161028), (567, 160460), (630, 144414), (639, 142380), (678, 134190), (710, 128142), (756, 120345), (791, 115020), (810, 112322), (852, 106785), (945, 96276), (994, 91530), (1017, 89460), (1065, 85428), (1130, 80514), (1134, 80230), (1260, 72207), (1278, 71190), (1356, 67095), (1420, 64071), (1491, 61020), (1582, 57510), (1620, 56161), (1695, 53676), (1890, 48138), (1917, 47460), (1988, 45765), (2034, 44730), (2130, 42714), (2260, 40257), (2268, 40115), (2373, 38340), (2485, 36612), (2556, 35595), (2835, 32092), (2982, 30510), (3051, 29820), (3164, 28755), (3195, 28476), (3390, 26838), (3780, 24069), (3834, 23730), (3955, 23004), (4068, 22365), (4260, 21357), (4473, 20340), (4746, 19170), (4970, 18306), (5085, 17892), (5670, 16046), (5751, 15820), (5964, 15255), (6102, 14910), (6390, 14238), (6780, 13419), (7119, 12780), (7455, 12204), (7668, 11865), (7910, 11502), (8023, 11340), (8946, 10170), (9153, 9940), (9492, 9585)]