31882760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{461}}^1$

素因数の和:511

約数の個数: 128

約数和(自身を含む): 93139200

約数和(自身を除く): 61256440

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 52, 56, 65, 70, 76, 91, 95, 104, 130, 133, 140, 152, 182, 190, 247, 260, 266, 280, 364, 380, 455, 461, 494, 520, 532, 665, 728, 760, 910, 922, 988, 1064, 1235, 1330, 1729, 1820, 1844, 1976, 2305, 2470, 2660, 3227, 3458, 3640, 3688, 4610, 4940, 5320, 5993, 6454, 6916, 8645, 8759, 9220, 9880, 11986, 12908, 13832, 16135, 17290, 17518, 18440, 23972, 25816, 29965, 32270, 34580, 35036, 41951, 43795, 47944, 59930, 61313, 64540, 69160, 70072, 83902, 87590, 113867, 119860, 122626, 129080, 167804, 175180, 209755, 227734, 239720, 245252, 306565, 335608, 350360, 419510, 455468, 490504, 569335, 613130, 797069, 839020, 910936, 1138670, 1226260, 1594138, 1678040, 2277340, 2452520, 3188276, 3985345, 4554680, 6376552, 7970690, 15941380, 31882760]

約数ペア:

[(1, 31882760), (2, 15941380), (4, 7970690), (5, 6376552), (7, 4554680), (8, 3985345), (10, 3188276), (13, 2452520), (14, 2277340), (19, 1678040), (20, 1594138), (26, 1226260), (28, 1138670), (35, 910936), (38, 839020), (40, 797069), (52, 613130), (56, 569335), (65, 490504), (70, 455468), (76, 419510), (91, 350360), (95, 335608), (104, 306565), (130, 245252), (133, 239720), (140, 227734), (152, 209755), (182, 175180), (190, 167804), (247, 129080), (260, 122626), (266, 119860), (280, 113867), (364, 87590), (380, 83902), (455, 70072), (461, 69160), (494, 64540), (520, 61313), (532, 59930), (665, 47944), (728, 43795), (760, 41951), (910, 35036), (922, 34580), (988, 32270), (1064, 29965), (1235, 25816), (1330, 23972), (1729, 18440), (1820, 17518), (1844, 17290), (1976, 16135), (2305, 13832), (2470, 12908), (2660, 11986), (3227, 9880), (3458, 9220), (3640, 8759), (3688, 8645), (4610, 6916), (4940, 6454), (5320, 5993)]