16919280

素因数分解:

$2^4\times 3^4\times 5^1\times 7^1\times {\mathrm{373}}^1$

素因数の和:405

約数の個数: 200

約数和(自身を含む): 67337952

約数和(自身を除く): 50418672

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 81, 84, 90, 105, 108, 112, 120, 126, 135, 140, 144, 162, 168, 180, 189, 210, 216, 240, 252, 270, 280, 315, 324, 336, 360, 373, 378, 405, 420, 432, 504, 540, 560, 567, 630, 648, 720, 746, 756, 810, 840, 945, 1008, 1080, 1119, 1134, 1260, 1296, 1492, 1512, 1620, 1680, 1865, 1890, 2160, 2238, 2268, 2520, 2611, 2835, 2984, 3024, 3240, 3357, 3730, 3780, 4476, 4536, 5040, 5222, 5595, 5670, 5968, 6480, 6714, 7460, 7560, 7833, 8952, 9072, 10071, 10444, 11190, 11340, 13055, 13428, 14920, 15120, 15666, 16785, 17904, 20142, 20888, 22380, 22680, 23499, 26110, 26856, 29840, 30213, 31332, 33570, 39165, 40284, 41776, 44760, 45360, 46998, 50355, 52220, 53712, 60426, 62664, 67140, 70497, 78330, 80568, 89520, 93996, 100710, 104440, 117495, 120852, 125328, 134280, 140994, 151065, 156660, 161136, 187992, 201420, 208880, 211491, 234990, 241704, 268560, 281988, 302130, 313320, 352485, 375984, 402840, 422982, 469980, 483408, 563976, 604260, 626640, 704970, 805680, 845964, 939960, 1057455, 1127952, 1208520, 1409940, 1691928, 1879920, 2114910, 2417040, 2819880, 3383856, 4229820, 5639760, 8459640, 16919280]

約数ペア:

[(1, 16919280), (2, 8459640), (3, 5639760), (4, 4229820), (5, 3383856), (6, 2819880), (7, 2417040), (8, 2114910), (9, 1879920), (10, 1691928), (12, 1409940), (14, 1208520), (15, 1127952), (16, 1057455), (18, 939960), (20, 845964), (21, 805680), (24, 704970), (27, 626640), (28, 604260), (30, 563976), (35, 483408), (36, 469980), (40, 422982), (42, 402840), (45, 375984), (48, 352485), (54, 313320), (56, 302130), (60, 281988), (63, 268560), (70, 241704), (72, 234990), (80, 211491), (81, 208880), (84, 201420), (90, 187992), (105, 161136), (108, 156660), (112, 151065), (120, 140994), (126, 134280), (135, 125328), (140, 120852), (144, 117495), (162, 104440), (168, 100710), (180, 93996), (189, 89520), (210, 80568), (216, 78330), (240, 70497), (252, 67140), (270, 62664), (280, 60426), (315, 53712), (324, 52220), (336, 50355), (360, 46998), (373, 45360), (378, 44760), (405, 41776), (420, 40284), (432, 39165), (504, 33570), (540, 31332), (560, 30213), (567, 29840), (630, 26856), (648, 26110), (720, 23499), (746, 22680), (756, 22380), (810, 20888), (840, 20142), (945, 17904), (1008, 16785), (1080, 15666), (1119, 15120), (1134, 14920), (1260, 13428), (1296, 13055), (1492, 11340), (1512, 11190), (1620, 10444), (1680, 10071), (1865, 9072), (1890, 8952), (2160, 7833), (2238, 7560), (2268, 7460), (2520, 6714), (2611, 6480), (2835, 5968), (2984, 5670), (3024, 5595), (3240, 5222), (3357, 5040), (3730, 4536), (3780, 4476)]