19680570

素因数分解:

$2^1\times 3^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1$

素因数の和:131

約数の個数: 192

約数和(自身を含む): 66044160

約数和(自身を除く): 46363590

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 35, 39, 42, 45, 54, 63, 65, 70, 78, 81, 89, 90, 91, 105, 117, 126, 130, 135, 162, 178, 182, 189, 195, 210, 234, 243, 267, 270, 273, 315, 351, 378, 390, 405, 445, 455, 486, 534, 546, 567, 585, 623, 630, 702, 801, 810, 819, 890, 910, 945, 1053, 1134, 1157, 1170, 1215, 1246, 1335, 1365, 1602, 1638, 1701, 1755, 1869, 1890, 2106, 2314, 2403, 2430, 2457, 2670, 2730, 2835, 3115, 3159, 3402, 3471, 3510, 3738, 4005, 4095, 4806, 4914, 5265, 5607, 5670, 5785, 6230, 6318, 6942, 7209, 7371, 8010, 8099, 8190, 8505, 9345, 10413, 10530, 11214, 11570, 12015, 12285, 14418, 14742, 15795, 16198, 16821, 17010, 17355, 18690, 20826, 21627, 22113, 24030, 24297, 24570, 28035, 31239, 31590, 33642, 34710, 36045, 36855, 40495, 43254, 44226, 48594, 50463, 52065, 56070, 62478, 72090, 72891, 73710, 80990, 84105, 93717, 100926, 104130, 108135, 110565, 121485, 145782, 151389, 156195, 168210, 187434, 216270, 218673, 221130, 242970, 252315, 281151, 302778, 312390, 364455, 437346, 468585, 504630, 562302, 656019, 728910, 756945, 937170, 1093365, 1312038, 1405755, 1513890, 1968057, 2186730, 2811510, 3280095, 3936114, 6560190, 9840285, 19680570]

約数ペア:

[(1, 19680570), (2, 9840285), (3, 6560190), (5, 3936114), (6, 3280095), (7, 2811510), (9, 2186730), (10, 1968057), (13, 1513890), (14, 1405755), (15, 1312038), (18, 1093365), (21, 937170), (26, 756945), (27, 728910), (30, 656019), (35, 562302), (39, 504630), (42, 468585), (45, 437346), (54, 364455), (63, 312390), (65, 302778), (70, 281151), (78, 252315), (81, 242970), (89, 221130), (90, 218673), (91, 216270), (105, 187434), (117, 168210), (126, 156195), (130, 151389), (135, 145782), (162, 121485), (178, 110565), (182, 108135), (189, 104130), (195, 100926), (210, 93717), (234, 84105), (243, 80990), (267, 73710), (270, 72891), (273, 72090), (315, 62478), (351, 56070), (378, 52065), (390, 50463), (405, 48594), (445, 44226), (455, 43254), (486, 40495), (534, 36855), (546, 36045), (567, 34710), (585, 33642), (623, 31590), (630, 31239), (702, 28035), (801, 24570), (810, 24297), (819, 24030), (890, 22113), (910, 21627), (945, 20826), (1053, 18690), (1134, 17355), (1157, 17010), (1170, 16821), (1215, 16198), (1246, 15795), (1335, 14742), (1365, 14418), (1602, 12285), (1638, 12015), (1701, 11570), (1755, 11214), (1869, 10530), (1890, 10413), (2106, 9345), (2314, 8505), (2403, 8190), (2430, 8099), (2457, 8010), (2670, 7371), (2730, 7209), (2835, 6942), (3115, 6318), (3159, 6230), (3402, 5785), (3471, 5670), (3510, 5607), (3738, 5265), (4005, 4914), (4095, 4806)]