81393900

素因数分解:

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

素因数の和:158

約数の個数: 180

約数和(自身を含む): 277164552

約数和(自身を除く): 195770652

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 25, 28, 30, 35, 42, 49, 50, 60, 70, 75, 84, 98, 100, 105, 113, 140, 147, 150, 175, 196, 210, 226, 245, 294, 300, 339, 343, 350, 420, 452, 490, 525, 565, 588, 678, 686, 700, 735, 791, 980, 1029, 1050, 1130, 1225, 1356, 1372, 1470, 1582, 1695, 1715, 2058, 2100, 2260, 2373, 2401, 2450, 2825, 2940, 3164, 3390, 3430, 3675, 3955, 4116, 4746, 4802, 4900, 5145, 5537, 5650, 6780, 6860, 7203, 7350, 7910, 8475, 8575, 9492, 9604, 10290, 11074, 11300, 11865, 12005, 14406, 14700, 15820, 16611, 16950, 17150, 19775, 20580, 22148, 23730, 24010, 25725, 27685, 28812, 33222, 33900, 34300, 36015, 38759, 39550, 47460, 48020, 51450, 55370, 59325, 60025, 66444, 72030, 77518, 79100, 83055, 102900, 110740, 116277, 118650, 120050, 138425, 144060, 155036, 166110, 180075, 193795, 232554, 237300, 240100, 271313, 276850, 332220, 360150, 387590, 415275, 465108, 542626, 553700, 581385, 720300, 775180, 813939, 830550, 968975, 1085252, 1162770, 1356565, 1627878, 1661100, 1937950, 2325540, 2713130, 2906925, 3255756, 3875900, 4069695, 5426260, 5813850, 6782825, 8139390, 11627700, 13565650, 16278780, 20348475, 27131300, 40696950, 81393900]

約数ペア:

[(1, 81393900), (2, 40696950), (3, 27131300), (4, 20348475), (5, 16278780), (6, 13565650), (7, 11627700), (10, 8139390), (12, 6782825), (14, 5813850), (15, 5426260), (20, 4069695), (21, 3875900), (25, 3255756), (28, 2906925), (30, 2713130), (35, 2325540), (42, 1937950), (49, 1661100), (50, 1627878), (60, 1356565), (70, 1162770), (75, 1085252), (84, 968975), (98, 830550), (100, 813939), (105, 775180), (113, 720300), (140, 581385), (147, 553700), (150, 542626), (175, 465108), (196, 415275), (210, 387590), (226, 360150), (245, 332220), (294, 276850), (300, 271313), (339, 240100), (343, 237300), (350, 232554), (420, 193795), (452, 180075), (490, 166110), (525, 155036), (565, 144060), (588, 138425), (678, 120050), (686, 118650), (700, 116277), (735, 110740), (791, 102900), (980, 83055), (1029, 79100), (1050, 77518), (1130, 72030), (1225, 66444), (1356, 60025), (1372, 59325), (1470, 55370), (1582, 51450), (1695, 48020), (1715, 47460), (2058, 39550), (2100, 38759), (2260, 36015), (2373, 34300), (2401, 33900), (2450, 33222), (2825, 28812), (2940, 27685), (3164, 25725), (3390, 24010), (3430, 23730), (3675, 22148), (3955, 20580), (4116, 19775), (4746, 17150), (4802, 16950), (4900, 16611), (5145, 15820), (5537, 14700), (5650, 14406), (6780, 12005), (6860, 11865), (7203, 11300), (7350, 11074), (7910, 10290), (8475, 9604), (8575, 9492)]