208668720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{1423}}^1$

素因数の和:1499

約数の個数: 160

約数和(自身を含む): 711954432

約数和(自身を除く): 503285712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 47, 48, 52, 60, 65, 78, 80, 94, 104, 120, 130, 141, 156, 188, 195, 208, 235, 240, 260, 282, 312, 376, 390, 470, 520, 564, 611, 624, 705, 752, 780, 940, 1040, 1128, 1222, 1410, 1423, 1560, 1833, 1880, 2256, 2444, 2820, 2846, 3055, 3120, 3666, 3760, 4269, 4888, 5640, 5692, 6110, 7115, 7332, 8538, 9165, 9776, 11280, 11384, 12220, 14230, 14664, 17076, 18330, 18499, 21345, 22768, 24440, 28460, 29328, 34152, 36660, 36998, 42690, 48880, 55497, 56920, 66881, 68304, 73320, 73996, 85380, 92495, 110994, 113840, 133762, 146640, 147992, 170760, 184990, 200643, 221988, 267524, 277485, 295984, 334405, 341520, 369980, 401286, 443976, 535048, 554970, 668810, 739960, 802572, 869453, 887952, 1003215, 1070096, 1109940, 1337620, 1479920, 1605144, 1738906, 2006430, 2219880, 2608359, 2675240, 3210288, 3477812, 4012860, 4347265, 4439760, 5216718, 5350480, 6955624, 8025720, 8694530, 10433436, 13041795, 13911248, 16051440, 17389060, 20866872, 26083590, 34778120, 41733744, 52167180, 69556240, 104334360, 208668720]

約数ペア:

[(1, 208668720), (2, 104334360), (3, 69556240), (4, 52167180), (5, 41733744), (6, 34778120), (8, 26083590), (10, 20866872), (12, 17389060), (13, 16051440), (15, 13911248), (16, 13041795), (20, 10433436), (24, 8694530), (26, 8025720), (30, 6955624), (39, 5350480), (40, 5216718), (47, 4439760), (48, 4347265), (52, 4012860), (60, 3477812), (65, 3210288), (78, 2675240), (80, 2608359), (94, 2219880), (104, 2006430), (120, 1738906), (130, 1605144), (141, 1479920), (156, 1337620), (188, 1109940), (195, 1070096), (208, 1003215), (235, 887952), (240, 869453), (260, 802572), (282, 739960), (312, 668810), (376, 554970), (390, 535048), (470, 443976), (520, 401286), (564, 369980), (611, 341520), (624, 334405), (705, 295984), (752, 277485), (780, 267524), (940, 221988), (1040, 200643), (1128, 184990), (1222, 170760), (1410, 147992), (1423, 146640), (1560, 133762), (1833, 113840), (1880, 110994), (2256, 92495), (2444, 85380), (2820, 73996), (2846, 73320), (3055, 68304), (3120, 66881), (3666, 56920), (3760, 55497), (4269, 48880), (4888, 42690), (5640, 36998), (5692, 36660), (6110, 34152), (7115, 29328), (7332, 28460), (8538, 24440), (9165, 22768), (9776, 21345), (11280, 18499), (11384, 18330), (12220, 17076), (14230, 14664)]