140947520

素因数分解:

$2^6\times 5^1\times 7^2\times {\mathrm{89}}^1\times {\mathrm{101}}^1$

素因数の和:221

約数の個数: 168

約数和(自身を含む): 398724120

約数和(自身を除く): 257776600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 64, 70, 80, 89, 98, 101, 112, 140, 160, 178, 196, 202, 224, 245, 280, 320, 356, 392, 404, 445, 448, 490, 505, 560, 623, 707, 712, 784, 808, 890, 980, 1010, 1120, 1246, 1414, 1424, 1568, 1616, 1780, 1960, 2020, 2240, 2492, 2828, 2848, 3115, 3136, 3232, 3535, 3560, 3920, 4040, 4361, 4949, 4984, 5656, 5696, 6230, 6464, 7070, 7120, 7840, 8080, 8722, 8989, 9898, 9968, 11312, 12460, 14140, 14240, 15680, 16160, 17444, 17978, 19796, 19936, 21805, 22624, 24745, 24920, 28280, 28480, 32320, 34888, 35956, 39592, 39872, 43610, 44945, 45248, 49490, 49840, 56560, 62923, 69776, 71912, 79184, 87220, 89890, 98980, 99680, 113120, 125846, 139552, 143824, 158368, 174440, 179780, 197960, 199360, 226240, 251692, 279104, 287648, 314615, 316736, 348880, 359560, 395920, 440461, 503384, 575296, 629230, 697760, 719120, 791840, 880922, 1006768, 1258460, 1395520, 1438240, 1583680, 1761844, 2013536, 2202305, 2516920, 2876480, 3523688, 4027072, 4404610, 5033840, 7047376, 8809220, 10067680, 14094752, 17618440, 20135360, 28189504, 35236880, 70473760, 140947520]

約数ペア:

[(1, 140947520), (2, 70473760), (4, 35236880), (5, 28189504), (7, 20135360), (8, 17618440), (10, 14094752), (14, 10067680), (16, 8809220), (20, 7047376), (28, 5033840), (32, 4404610), (35, 4027072), (40, 3523688), (49, 2876480), (56, 2516920), (64, 2202305), (70, 2013536), (80, 1761844), (89, 1583680), (98, 1438240), (101, 1395520), (112, 1258460), (140, 1006768), (160, 880922), (178, 791840), (196, 719120), (202, 697760), (224, 629230), (245, 575296), (280, 503384), (320, 440461), (356, 395920), (392, 359560), (404, 348880), (445, 316736), (448, 314615), (490, 287648), (505, 279104), (560, 251692), (623, 226240), (707, 199360), (712, 197960), (784, 179780), (808, 174440), (890, 158368), (980, 143824), (1010, 139552), (1120, 125846), (1246, 113120), (1414, 99680), (1424, 98980), (1568, 89890), (1616, 87220), (1780, 79184), (1960, 71912), (2020, 69776), (2240, 62923), (2492, 56560), (2828, 49840), (2848, 49490), (3115, 45248), (3136, 44945), (3232, 43610), (3535, 39872), (3560, 39592), (3920, 35956), (4040, 34888), (4361, 32320), (4949, 28480), (4984, 28280), (5656, 24920), (5696, 24745), (6230, 22624), (6464, 21805), (7070, 19936), (7120, 19796), (7840, 17978), (8080, 17444), (8722, 16160), (8989, 15680), (9898, 14240), (9968, 14140), (11312, 12460)]