212799720

素因数分解:

$2^3\times 3^1\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{4153}}^1$

素因数の和:4235

約数の個数: 128

約数和(自身を含む): 741738240

約数和(自身を除く): 528938520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 28, 30, 35, 40, 42, 56, 60, 61, 70, 84, 105, 120, 122, 140, 168, 183, 210, 244, 280, 305, 366, 420, 427, 488, 610, 732, 840, 854, 915, 1220, 1281, 1464, 1708, 1830, 2135, 2440, 2562, 3416, 3660, 4153, 4270, 5124, 6405, 7320, 8306, 8540, 10248, 12459, 12810, 16612, 17080, 20765, 24918, 25620, 29071, 33224, 41530, 49836, 51240, 58142, 62295, 83060, 87213, 99672, 116284, 124590, 145355, 166120, 174426, 232568, 249180, 253333, 290710, 348852, 436065, 498360, 506666, 581420, 697704, 759999, 872130, 1013332, 1162840, 1266665, 1519998, 1744260, 1773331, 2026664, 2533330, 3039996, 3488520, 3546662, 3799995, 5066660, 5319993, 6079992, 7093324, 7599990, 8866655, 10133320, 10639986, 14186648, 15199980, 17733310, 21279972, 26599965, 30399960, 35466620, 42559944, 53199930, 70933240, 106399860, 212799720]

約数ペア:

[(1, 212799720), (2, 106399860), (3, 70933240), (4, 53199930), (5, 42559944), (6, 35466620), (7, 30399960), (8, 26599965), (10, 21279972), (12, 17733310), (14, 15199980), (15, 14186648), (20, 10639986), (21, 10133320), (24, 8866655), (28, 7599990), (30, 7093324), (35, 6079992), (40, 5319993), (42, 5066660), (56, 3799995), (60, 3546662), (61, 3488520), (70, 3039996), (84, 2533330), (105, 2026664), (120, 1773331), (122, 1744260), (140, 1519998), (168, 1266665), (183, 1162840), (210, 1013332), (244, 872130), (280, 759999), (305, 697704), (366, 581420), (420, 506666), (427, 498360), (488, 436065), (610, 348852), (732, 290710), (840, 253333), (854, 249180), (915, 232568), (1220, 174426), (1281, 166120), (1464, 145355), (1708, 124590), (1830, 116284), (2135, 99672), (2440, 87213), (2562, 83060), (3416, 62295), (3660, 58142), (4153, 51240), (4270, 49836), (5124, 41530), (6405, 33224), (7320, 29071), (8306, 25620), (8540, 24918), (10248, 20765), (12459, 17080), (12810, 16612)]