19587120

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{131}}^1$

素因数の和:243

約数の個数: 160

約数和(自身を含む): 70709760

約数和(自身を除く): 51122640

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 89, 105, 112, 120, 131, 140, 168, 178, 210, 240, 262, 267, 280, 336, 356, 393, 420, 445, 524, 534, 560, 623, 655, 712, 786, 840, 890, 917, 1048, 1068, 1246, 1310, 1335, 1424, 1572, 1680, 1780, 1834, 1869, 1965, 2096, 2136, 2492, 2620, 2670, 2751, 3115, 3144, 3560, 3668, 3738, 3930, 4272, 4585, 4984, 5240, 5340, 5502, 6230, 6288, 7120, 7336, 7476, 7860, 9170, 9345, 9968, 10480, 10680, 11004, 11659, 12460, 13755, 14672, 14952, 15720, 18340, 18690, 21360, 22008, 23318, 24920, 27510, 29904, 31440, 34977, 36680, 37380, 44016, 46636, 49840, 55020, 58295, 69954, 73360, 74760, 81613, 93272, 110040, 116590, 139908, 149520, 163226, 174885, 186544, 220080, 233180, 244839, 279816, 326452, 349770, 408065, 466360, 489678, 559632, 652904, 699540, 816130, 932720, 979356, 1224195, 1305808, 1399080, 1632260, 1958712, 2448390, 2798160, 3264520, 3917424, 4896780, 6529040, 9793560, 19587120]

約数ペア:

[(1, 19587120), (2, 9793560), (3, 6529040), (4, 4896780), (5, 3917424), (6, 3264520), (7, 2798160), (8, 2448390), (10, 1958712), (12, 1632260), (14, 1399080), (15, 1305808), (16, 1224195), (20, 979356), (21, 932720), (24, 816130), (28, 699540), (30, 652904), (35, 559632), (40, 489678), (42, 466360), (48, 408065), (56, 349770), (60, 326452), (70, 279816), (80, 244839), (84, 233180), (89, 220080), (105, 186544), (112, 174885), (120, 163226), (131, 149520), (140, 139908), (168, 116590), (178, 110040), (210, 93272), (240, 81613), (262, 74760), (267, 73360), (280, 69954), (336, 58295), (356, 55020), (393, 49840), (420, 46636), (445, 44016), (524, 37380), (534, 36680), (560, 34977), (623, 31440), (655, 29904), (712, 27510), (786, 24920), (840, 23318), (890, 22008), (917, 21360), (1048, 18690), (1068, 18340), (1246, 15720), (1310, 14952), (1335, 14672), (1424, 13755), (1572, 12460), (1680, 11659), (1780, 11004), (1834, 10680), (1869, 10480), (1965, 9968), (2096, 9345), (2136, 9170), (2492, 7860), (2620, 7476), (2670, 7336), (2751, 7120), (3115, 6288), (3144, 6230), (3560, 5502), (3668, 5340), (3738, 5240), (3930, 4984), (4272, 4585)]