2531354280

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{231809}}^1$

素因数の和:231843

約数の個数: 128

約数和(自身を含む): 9346579200

約数和(自身を除く): 6815224920

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 13, 14, 15, 20, 21, 24, 26, 28, 30, 35, 39, 40, 42, 52, 56, 60, 65, 70, 78, 84, 91, 104, 105, 120, 130, 140, 156, 168, 182, 195, 210, 260, 273, 280, 312, 364, 390, 420, 455, 520, 546, 728, 780, 840, 910, 1092, 1365, 1560, 1820, 2184, 2730, 3640, 5460, 10920, 231809, 463618, 695427, 927236, 1159045, 1390854, 1622663, 1854472, 2318090, 2781708, 3013517, 3245326, 3477135, 4636180, 4867989, 5563416, 6027034, 6490652, 6954270, 8113315, 9040551, 9272360, 9735978, 12054068, 12981304, 13908540, 15067585, 16226630, 18081102, 19471956, 21094619, 24108136, 24339945, 27817080, 30135170, 32453260, 36162204, 38943912, 42189238, 45202755, 48679890, 60270340, 63283857, 64906520, 72324408, 84378476, 90405510, 97359780, 105473095, 120540680, 126567714, 168756952, 180811020, 194719560, 210946190, 253135428, 316419285, 361622040, 421892380, 506270856, 632838570, 843784760, 1265677140, 2531354280]

約数ペア:

[(1, 2531354280), (2, 1265677140), (3, 843784760), (4, 632838570), (5, 506270856), (6, 421892380), (7, 361622040), (8, 316419285), (10, 253135428), (12, 210946190), (13, 194719560), (14, 180811020), (15, 168756952), (20, 126567714), (21, 120540680), (24, 105473095), (26, 97359780), (28, 90405510), (30, 84378476), (35, 72324408), (39, 64906520), (40, 63283857), (42, 60270340), (52, 48679890), (56, 45202755), (60, 42189238), (65, 38943912), (70, 36162204), (78, 32453260), (84, 30135170), (91, 27817080), (104, 24339945), (105, 24108136), (120, 21094619), (130, 19471956), (140, 18081102), (156, 16226630), (168, 15067585), (182, 13908540), (195, 12981304), (210, 12054068), (260, 9735978), (273, 9272360), (280, 9040551), (312, 8113315), (364, 6954270), (390, 6490652), (420, 6027034), (455, 5563416), (520, 4867989), (546, 4636180), (728, 3477135), (780, 3245326), (840, 3013517), (910, 2781708), (1092, 2318090), (1365, 1854472), (1560, 1622663), (1820, 1390854), (2184, 1159045), (2730, 927236), (3640, 695427), (5460, 463618), (10920, 231809)]