171718380

素因数分解:

$2^2\times 3^5\times 5^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:510

約数の個数: 144

約数和(自身を含む): 547616160

約数和(自身を除く): 375897780

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 89, 90, 108, 135, 162, 178, 180, 243, 267, 270, 324, 356, 397, 405, 445, 486, 534, 540, 794, 801, 810, 890, 972, 1068, 1191, 1215, 1335, 1588, 1602, 1620, 1780, 1985, 2382, 2403, 2430, 2670, 3204, 3573, 3970, 4005, 4764, 4806, 4860, 5340, 5955, 7146, 7209, 7940, 8010, 9612, 10719, 11910, 12015, 14292, 14418, 16020, 17865, 21438, 21627, 23820, 24030, 28836, 32157, 35333, 35730, 36045, 42876, 43254, 48060, 53595, 64314, 70666, 71460, 72090, 86508, 96471, 105999, 107190, 108135, 128628, 141332, 144180, 160785, 176665, 192942, 211998, 214380, 216270, 317997, 321570, 353330, 385884, 423996, 432540, 482355, 529995, 635994, 643140, 706660, 953991, 964710, 1059990, 1271988, 1589985, 1907982, 1929420, 2119980, 2861973, 3179970, 3815964, 4769955, 5723946, 6359940, 8585919, 9539910, 11447892, 14309865, 17171838, 19079820, 28619730, 34343676, 42929595, 57239460, 85859190, 171718380]

約数ペア:

[(1, 171718380), (2, 85859190), (3, 57239460), (4, 42929595), (5, 34343676), (6, 28619730), (9, 19079820), (10, 17171838), (12, 14309865), (15, 11447892), (18, 9539910), (20, 8585919), (27, 6359940), (30, 5723946), (36, 4769955), (45, 3815964), (54, 3179970), (60, 2861973), (81, 2119980), (89, 1929420), (90, 1907982), (108, 1589985), (135, 1271988), (162, 1059990), (178, 964710), (180, 953991), (243, 706660), (267, 643140), (270, 635994), (324, 529995), (356, 482355), (397, 432540), (405, 423996), (445, 385884), (486, 353330), (534, 321570), (540, 317997), (794, 216270), (801, 214380), (810, 211998), (890, 192942), (972, 176665), (1068, 160785), (1191, 144180), (1215, 141332), (1335, 128628), (1588, 108135), (1602, 107190), (1620, 105999), (1780, 96471), (1985, 86508), (2382, 72090), (2403, 71460), (2430, 70666), (2670, 64314), (3204, 53595), (3573, 48060), (3970, 43254), (4005, 42876), (4764, 36045), (4806, 35730), (4860, 35333), (5340, 32157), (5955, 28836), (7146, 24030), (7209, 23820), (7940, 21627), (8010, 21438), (9612, 17865), (10719, 16020), (11910, 14418), (12015, 14292)]