308452480

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{2221}}^1$

素因数の和:2278

約数の個数: 128

約数和(自身を含む): 870312960

約数和(自身を除く): 561860480

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 32, 35, 40, 56, 62, 64, 70, 80, 112, 124, 128, 140, 155, 160, 217, 224, 248, 280, 310, 320, 434, 448, 496, 560, 620, 640, 868, 896, 992, 1085, 1120, 1240, 1736, 1984, 2170, 2221, 2240, 2480, 3472, 3968, 4340, 4442, 4480, 4960, 6944, 8680, 8884, 9920, 11105, 13888, 15547, 17360, 17768, 19840, 22210, 27776, 31094, 34720, 35536, 44420, 62188, 68851, 69440, 71072, 77735, 88840, 124376, 137702, 138880, 142144, 155470, 177680, 248752, 275404, 284288, 310940, 344255, 355360, 481957, 497504, 550808, 621880, 688510, 710720, 963914, 995008, 1101616, 1243760, 1377020, 1421440, 1927828, 1990016, 2203232, 2409785, 2487520, 2754040, 3855656, 4406464, 4819570, 4975040, 5508080, 7711312, 8812928, 9639140, 9950080, 11016160, 15422624, 19278280, 22032320, 30845248, 38556560, 44064640, 61690496, 77113120, 154226240, 308452480]

約数ペア:

[(1, 308452480), (2, 154226240), (4, 77113120), (5, 61690496), (7, 44064640), (8, 38556560), (10, 30845248), (14, 22032320), (16, 19278280), (20, 15422624), (28, 11016160), (31, 9950080), (32, 9639140), (35, 8812928), (40, 7711312), (56, 5508080), (62, 4975040), (64, 4819570), (70, 4406464), (80, 3855656), (112, 2754040), (124, 2487520), (128, 2409785), (140, 2203232), (155, 1990016), (160, 1927828), (217, 1421440), (224, 1377020), (248, 1243760), (280, 1101616), (310, 995008), (320, 963914), (434, 710720), (448, 688510), (496, 621880), (560, 550808), (620, 497504), (640, 481957), (868, 355360), (896, 344255), (992, 310940), (1085, 284288), (1120, 275404), (1240, 248752), (1736, 177680), (1984, 155470), (2170, 142144), (2221, 138880), (2240, 137702), (2480, 124376), (3472, 88840), (3968, 77735), (4340, 71072), (4442, 69440), (4480, 68851), (4960, 62188), (6944, 44420), (8680, 35536), (8884, 34720), (9920, 31094), (11105, 27776), (13888, 22210), (15547, 19840), (17360, 17768)]