239220180

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{997}}^1$

素因数の和:1086

約数の個数: 144

約数和(自身を含む): 767230464

約数和(自身を除く): 528010284

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 31, 36, 43, 45, 60, 62, 86, 90, 93, 124, 129, 155, 172, 180, 186, 215, 258, 279, 310, 372, 387, 430, 465, 516, 558, 620, 645, 774, 860, 930, 997, 1116, 1290, 1333, 1395, 1548, 1860, 1935, 1994, 2580, 2666, 2790, 2991, 3870, 3988, 3999, 4985, 5332, 5580, 5982, 6665, 7740, 7998, 8973, 9970, 11964, 11997, 13330, 14955, 15996, 17946, 19940, 19995, 23994, 26660, 29910, 30907, 35892, 39990, 42871, 44865, 47988, 59820, 59985, 61814, 79980, 85742, 89730, 92721, 119970, 123628, 128613, 154535, 171484, 179460, 185442, 214355, 239940, 257226, 278163, 309070, 370884, 385839, 428710, 463605, 514452, 556326, 618140, 643065, 771678, 857420, 927210, 1112652, 1286130, 1329001, 1390815, 1543356, 1854420, 1929195, 2572260, 2658002, 2781630, 3858390, 3987003, 5316004, 5563260, 6645005, 7716780, 7974006, 11961009, 13290010, 15948012, 19935015, 23922018, 26580020, 39870030, 47844036, 59805045, 79740060, 119610090, 239220180]

約数ペア:

[(1, 239220180), (2, 119610090), (3, 79740060), (4, 59805045), (5, 47844036), (6, 39870030), (9, 26580020), (10, 23922018), (12, 19935015), (15, 15948012), (18, 13290010), (20, 11961009), (30, 7974006), (31, 7716780), (36, 6645005), (43, 5563260), (45, 5316004), (60, 3987003), (62, 3858390), (86, 2781630), (90, 2658002), (93, 2572260), (124, 1929195), (129, 1854420), (155, 1543356), (172, 1390815), (180, 1329001), (186, 1286130), (215, 1112652), (258, 927210), (279, 857420), (310, 771678), (372, 643065), (387, 618140), (430, 556326), (465, 514452), (516, 463605), (558, 428710), (620, 385839), (645, 370884), (774, 309070), (860, 278163), (930, 257226), (997, 239940), (1116, 214355), (1290, 185442), (1333, 179460), (1395, 171484), (1548, 154535), (1860, 128613), (1935, 123628), (1994, 119970), (2580, 92721), (2666, 89730), (2790, 85742), (2991, 79980), (3870, 61814), (3988, 59985), (3999, 59820), (4985, 47988), (5332, 44865), (5580, 42871), (5982, 39990), (6665, 35892), (7740, 30907), (7998, 29910), (8973, 26660), (9970, 23994), (11964, 19995), (11997, 19940), (13330, 17946), (14955, 15996)]