217972160

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:171

約数の個数: 224

約数和(自身を含む): 635154432

約数和(自身を除く): 417182272

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 43, 56, 62, 64, 70, 73, 80, 86, 112, 124, 140, 146, 155, 160, 172, 215, 217, 224, 248, 280, 292, 301, 310, 320, 344, 365, 430, 434, 448, 496, 511, 560, 584, 602, 620, 688, 730, 860, 868, 992, 1022, 1085, 1120, 1168, 1204, 1240, 1333, 1376, 1460, 1505, 1720, 1736, 1984, 2044, 2170, 2240, 2263, 2336, 2408, 2480, 2555, 2666, 2752, 2920, 3010, 3139, 3440, 3472, 4088, 4340, 4526, 4672, 4816, 4960, 5110, 5332, 5840, 6020, 6278, 6665, 6880, 6944, 8176, 8680, 9052, 9331, 9632, 9920, 10220, 10664, 11315, 11680, 12040, 12556, 13330, 13760, 13888, 15695, 15841, 16352, 17360, 18104, 18662, 19264, 20440, 21328, 21973, 22630, 23360, 24080, 25112, 26660, 31390, 31682, 32704, 34720, 36208, 37324, 40880, 42656, 43946, 45260, 46655, 48160, 50224, 53320, 62780, 63364, 69440, 72416, 74648, 79205, 81760, 85312, 87892, 90520, 93310, 96320, 97309, 100448, 106640, 109865, 125560, 126728, 144832, 149296, 158410, 163520, 175784, 181040, 186620, 194618, 200896, 213280, 219730, 251120, 253456, 298592, 316820, 351568, 362080, 373240, 389236, 426560, 439460, 486545, 502240, 506912, 597184, 633640, 681163, 703136, 724160, 746480, 778472, 878920, 973090, 1004480, 1013824, 1267280, 1362326, 1406272, 1492960, 1556944, 1757840, 1946180, 2534560, 2724652, 2985920, 3113888, 3405815, 3515680, 3892360, 5069120, 5449304, 6227776, 6811630, 7031360, 7784720, 10898608, 13623260, 15569440, 21797216, 27246520, 31138880, 43594432, 54493040, 108986080, 217972160]

約数ペア:

[(1, 217972160), (2, 108986080), (4, 54493040), (5, 43594432), (7, 31138880), (8, 27246520), (10, 21797216), (14, 15569440), (16, 13623260), (20, 10898608), (28, 7784720), (31, 7031360), (32, 6811630), (35, 6227776), (40, 5449304), (43, 5069120), (56, 3892360), (62, 3515680), (64, 3405815), (70, 3113888), (73, 2985920), (80, 2724652), (86, 2534560), (112, 1946180), (124, 1757840), (140, 1556944), (146, 1492960), (155, 1406272), (160, 1362326), (172, 1267280), (215, 1013824), (217, 1004480), (224, 973090), (248, 878920), (280, 778472), (292, 746480), (301, 724160), (310, 703136), (320, 681163), (344, 633640), (365, 597184), (430, 506912), (434, 502240), (448, 486545), (496, 439460), (511, 426560), (560, 389236), (584, 373240), (602, 362080), (620, 351568), (688, 316820), (730, 298592), (860, 253456), (868, 251120), (992, 219730), (1022, 213280), (1085, 200896), (1120, 194618), (1168, 186620), (1204, 181040), (1240, 175784), (1333, 163520), (1376, 158410), (1460, 149296), (1505, 144832), (1720, 126728), (1736, 125560), (1984, 109865), (2044, 106640), (2170, 100448), (2240, 97309), (2263, 96320), (2336, 93310), (2408, 90520), (2480, 87892), (2555, 85312), (2666, 81760), (2752, 79205), (2920, 74648), (3010, 72416), (3139, 69440), (3440, 63364), (3472, 62780), (4088, 53320), (4340, 50224), (4526, 48160), (4672, 46655), (4816, 45260), (4960, 43946), (5110, 42656), (5332, 40880), (5840, 37324), (6020, 36208), (6278, 34720), (6665, 32704), (6880, 31682), (6944, 31390), (8176, 26660), (8680, 25112), (9052, 24080), (9331, 23360), (9632, 22630), (9920, 21973), (10220, 21328), (10664, 20440), (11315, 19264), (11680, 18662), (12040, 18104), (12556, 17360), (13330, 16352), (13760, 15841), (13888, 15695)]