78523020

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{107}}^1\times {\mathrm{151}}^1$

素因数の和:282

約数の個数: 144

約数和(自身を含む): 250967808

約数和(自身を除く): 172444788

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 107, 108, 135, 151, 162, 180, 214, 243, 270, 302, 321, 324, 405, 428, 453, 486, 535, 540, 604, 642, 755, 810, 906, 963, 972, 1070, 1215, 1284, 1359, 1510, 1605, 1620, 1812, 1926, 2140, 2265, 2430, 2718, 2889, 3020, 3210, 3852, 4077, 4530, 4815, 4860, 5436, 5778, 6420, 6795, 8154, 8667, 9060, 9630, 11556, 12231, 13590, 14445, 16157, 16308, 17334, 19260, 20385, 24462, 26001, 27180, 28890, 32314, 34668, 36693, 40770, 43335, 48471, 48924, 52002, 57780, 61155, 64628, 73386, 80785, 81540, 86670, 96942, 104004, 122310, 130005, 145413, 146772, 161570, 173340, 183465, 193884, 242355, 244620, 260010, 290826, 323140, 366930, 436239, 484710, 520020, 581652, 727065, 733860, 872478, 969420, 1308717, 1454130, 1744956, 2181195, 2617434, 2908260, 3926151, 4362390, 5234868, 6543585, 7852302, 8724780, 13087170, 15704604, 19630755, 26174340, 39261510, 78523020]

約数ペア:

[(1, 78523020), (2, 39261510), (3, 26174340), (4, 19630755), (5, 15704604), (6, 13087170), (9, 8724780), (10, 7852302), (12, 6543585), (15, 5234868), (18, 4362390), (20, 3926151), (27, 2908260), (30, 2617434), (36, 2181195), (45, 1744956), (54, 1454130), (60, 1308717), (81, 969420), (90, 872478), (107, 733860), (108, 727065), (135, 581652), (151, 520020), (162, 484710), (180, 436239), (214, 366930), (243, 323140), (270, 290826), (302, 260010), (321, 244620), (324, 242355), (405, 193884), (428, 183465), (453, 173340), (486, 161570), (535, 146772), (540, 145413), (604, 130005), (642, 122310), (755, 104004), (810, 96942), (906, 86670), (963, 81540), (972, 80785), (1070, 73386), (1215, 64628), (1284, 61155), (1359, 57780), (1510, 52002), (1605, 48924), (1620, 48471), (1812, 43335), (1926, 40770), (2140, 36693), (2265, 34668), (2430, 32314), (2718, 28890), (2889, 27180), (3020, 26001), (3210, 24462), (3852, 20385), (4077, 19260), (4530, 17334), (4815, 16308), (4860, 16157), (5436, 14445), (5778, 13590), (6420, 12231), (6795, 11556), (8154, 9630), (8667, 9060)]