851919680

素因数分解:

$2^6\times 5^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{547}}^1$

素因数の和:752

約数の個数: 112

約数和(自身を含む): 2111264256

約数和(自身を除く): 1259344576

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 32, 40, 62, 64, 80, 124, 155, 157, 160, 248, 310, 314, 320, 496, 547, 620, 628, 785, 992, 1094, 1240, 1256, 1570, 1984, 2188, 2480, 2512, 2735, 3140, 4376, 4867, 4960, 5024, 5470, 6280, 8752, 9734, 9920, 10048, 10940, 12560, 16957, 17504, 19468, 21880, 24335, 25120, 33914, 35008, 38936, 43760, 48670, 50240, 67828, 77872, 84785, 85879, 87520, 97340, 135656, 155744, 169570, 171758, 175040, 194680, 271312, 311488, 339140, 343516, 389360, 429395, 542624, 678280, 687032, 778720, 858790, 1085248, 1356560, 1374064, 1557440, 1717580, 2662249, 2713120, 2748128, 3435160, 5324498, 5426240, 5496256, 6870320, 10648996, 13311245, 13740640, 21297992, 26622490, 27481280, 42595984, 53244980, 85191968, 106489960, 170383936, 212979920, 425959840, 851919680]

約数ペア:

[(1, 851919680), (2, 425959840), (4, 212979920), (5, 170383936), (8, 106489960), (10, 85191968), (16, 53244980), (20, 42595984), (31, 27481280), (32, 26622490), (40, 21297992), (62, 13740640), (64, 13311245), (80, 10648996), (124, 6870320), (155, 5496256), (157, 5426240), (160, 5324498), (248, 3435160), (310, 2748128), (314, 2713120), (320, 2662249), (496, 1717580), (547, 1557440), (620, 1374064), (628, 1356560), (785, 1085248), (992, 858790), (1094, 778720), (1240, 687032), (1256, 678280), (1570, 542624), (1984, 429395), (2188, 389360), (2480, 343516), (2512, 339140), (2735, 311488), (3140, 271312), (4376, 194680), (4867, 175040), (4960, 171758), (5024, 169570), (5470, 155744), (6280, 135656), (8752, 97340), (9734, 87520), (9920, 85879), (10048, 84785), (10940, 77872), (12560, 67828), (16957, 50240), (17504, 48670), (19468, 43760), (21880, 38936), (24335, 35008), (25120, 33914)]