648705120

素因数分解:

$2^5\times 3^1\times 5^1\times 7^2\times {\mathrm{27581}}^1$

素因数の和:27613

約数の個数: 144

約数和(自身を含む): 2377127088

約数和(自身を除く): 1728421968

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 49, 56, 60, 70, 80, 84, 96, 98, 105, 112, 120, 140, 147, 160, 168, 196, 210, 224, 240, 245, 280, 294, 336, 392, 420, 480, 490, 560, 588, 672, 735, 784, 840, 980, 1120, 1176, 1470, 1568, 1680, 1960, 2352, 2940, 3360, 3920, 4704, 5880, 7840, 11760, 23520, 27581, 55162, 82743, 110324, 137905, 165486, 193067, 220648, 275810, 330972, 386134, 413715, 441296, 551620, 579201, 661944, 772268, 827430, 882592, 965335, 1103240, 1158402, 1323888, 1351469, 1544536, 1654860, 1930670, 2206480, 2316804, 2647776, 2702938, 2896005, 3089072, 3309720, 3861340, 4054407, 4412960, 4633608, 5405876, 5792010, 6178144, 6619440, 6757345, 7722680, 8108814, 9267216, 10811752, 11584020, 13238880, 13514690, 15445360, 16217628, 18534432, 20272035, 21623504, 23168040, 27029380, 30890720, 32435256, 40544070, 43247008, 46336080, 54058760, 64870512, 81088140, 92672160, 108117520, 129741024, 162176280, 216235040, 324352560, 648705120]

約数ペア:

[(1, 648705120), (2, 324352560), (3, 216235040), (4, 162176280), (5, 129741024), (6, 108117520), (7, 92672160), (8, 81088140), (10, 64870512), (12, 54058760), (14, 46336080), (15, 43247008), (16, 40544070), (20, 32435256), (21, 30890720), (24, 27029380), (28, 23168040), (30, 21623504), (32, 20272035), (35, 18534432), (40, 16217628), (42, 15445360), (48, 13514690), (49, 13238880), (56, 11584020), (60, 10811752), (70, 9267216), (80, 8108814), (84, 7722680), (96, 6757345), (98, 6619440), (105, 6178144), (112, 5792010), (120, 5405876), (140, 4633608), (147, 4412960), (160, 4054407), (168, 3861340), (196, 3309720), (210, 3089072), (224, 2896005), (240, 2702938), (245, 2647776), (280, 2316804), (294, 2206480), (336, 1930670), (392, 1654860), (420, 1544536), (480, 1351469), (490, 1323888), (560, 1158402), (588, 1103240), (672, 965335), (735, 882592), (784, 827430), (840, 772268), (980, 661944), (1120, 579201), (1176, 551620), (1470, 441296), (1568, 413715), (1680, 386134), (1960, 330972), (2352, 275810), (2940, 220648), (3360, 193067), (3920, 165486), (4704, 137905), (5880, 110324), (7840, 82743), (11760, 55162), (23520, 27581)]