15749440

素因数分解:

$2^6\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1$

素因数の和:192

約数の個数: 112

約数和(自身を含む): 43891200

約数和(自身を除く): 28141760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 79, 80, 89, 112, 140, 158, 160, 178, 224, 280, 316, 320, 356, 395, 445, 448, 553, 560, 623, 632, 712, 790, 890, 1106, 1120, 1246, 1264, 1424, 1580, 1780, 2212, 2240, 2492, 2528, 2765, 2848, 3115, 3160, 3560, 4424, 4984, 5056, 5530, 5696, 6230, 6320, 7031, 7120, 8848, 9968, 11060, 12460, 12640, 14062, 14240, 17696, 19936, 22120, 24920, 25280, 28124, 28480, 35155, 35392, 39872, 44240, 49217, 49840, 56248, 70310, 88480, 98434, 99680, 112496, 140620, 176960, 196868, 199360, 224992, 246085, 281240, 393736, 449984, 492170, 562480, 787472, 984340, 1124960, 1574944, 1968680, 2249920, 3149888, 3937360, 7874720, 15749440]

約数ペア:

[(1, 15749440), (2, 7874720), (4, 3937360), (5, 3149888), (7, 2249920), (8, 1968680), (10, 1574944), (14, 1124960), (16, 984340), (20, 787472), (28, 562480), (32, 492170), (35, 449984), (40, 393736), (56, 281240), (64, 246085), (70, 224992), (79, 199360), (80, 196868), (89, 176960), (112, 140620), (140, 112496), (158, 99680), (160, 98434), (178, 88480), (224, 70310), (280, 56248), (316, 49840), (320, 49217), (356, 44240), (395, 39872), (445, 35392), (448, 35155), (553, 28480), (560, 28124), (623, 25280), (632, 24920), (712, 22120), (790, 19936), (890, 17696), (1106, 14240), (1120, 14062), (1246, 12640), (1264, 12460), (1424, 11060), (1580, 9968), (1780, 8848), (2212, 7120), (2240, 7031), (2492, 6320), (2528, 6230), (2765, 5696), (2848, 5530), (3115, 5056), (3160, 4984), (3560, 4424)]