81836280

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{7333}}^1$

素因数の和:7381

約数の個数: 96

約数和(自身を含む): 274584960

約数和(自身を除く): 192748680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 31, 36, 40, 45, 60, 62, 72, 90, 93, 120, 124, 155, 180, 186, 248, 279, 310, 360, 372, 465, 558, 620, 744, 930, 1116, 1240, 1395, 1860, 2232, 2790, 3720, 5580, 7333, 11160, 14666, 21999, 29332, 36665, 43998, 58664, 65997, 73330, 87996, 109995, 131994, 146660, 175992, 219990, 227323, 263988, 293320, 329985, 439980, 454646, 527976, 659970, 681969, 879960, 909292, 1136615, 1319940, 1363938, 1818584, 2045907, 2273230, 2639880, 2727876, 3409845, 4091814, 4546460, 5455752, 6819690, 8183628, 9092920, 10229535, 13639380, 16367256, 20459070, 27278760, 40918140, 81836280]

約数ペア:

[(1, 81836280), (2, 40918140), (3, 27278760), (4, 20459070), (5, 16367256), (6, 13639380), (8, 10229535), (9, 9092920), (10, 8183628), (12, 6819690), (15, 5455752), (18, 4546460), (20, 4091814), (24, 3409845), (30, 2727876), (31, 2639880), (36, 2273230), (40, 2045907), (45, 1818584), (60, 1363938), (62, 1319940), (72, 1136615), (90, 909292), (93, 879960), (120, 681969), (124, 659970), (155, 527976), (180, 454646), (186, 439980), (248, 329985), (279, 293320), (310, 263988), (360, 227323), (372, 219990), (465, 175992), (558, 146660), (620, 131994), (744, 109995), (930, 87996), (1116, 73330), (1240, 65997), (1395, 58664), (1860, 43998), (2232, 36665), (2790, 29332), (3720, 21999), (5580, 14666), (7333, 11160)]