30741620

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{127}}^1$

素因数の和:182

約数の個数: 144

約数和(自身を含む): 85800960

約数和(自身を除く): 55059340

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 19, 20, 26, 28, 35, 38, 49, 52, 65, 70, 76, 91, 95, 98, 127, 130, 133, 140, 182, 190, 196, 245, 247, 254, 260, 266, 364, 380, 455, 490, 494, 508, 532, 635, 637, 665, 889, 910, 931, 980, 988, 1235, 1270, 1274, 1330, 1651, 1729, 1778, 1820, 1862, 2413, 2470, 2540, 2548, 2660, 3185, 3302, 3458, 3556, 3724, 4445, 4655, 4826, 4940, 6223, 6370, 6604, 6916, 8255, 8645, 8890, 9310, 9652, 11557, 12065, 12103, 12446, 12740, 16510, 16891, 17290, 17780, 18620, 23114, 24130, 24206, 24892, 31115, 31369, 33020, 33782, 34580, 46228, 48260, 48412, 57785, 60515, 62230, 62738, 67564, 80899, 84455, 115570, 118237, 121030, 124460, 125476, 156845, 161798, 168910, 219583, 231140, 236474, 242060, 313690, 323596, 337820, 404495, 439166, 472948, 591185, 627380, 808990, 878332, 1097915, 1182370, 1537081, 1617980, 2195830, 2364740, 3074162, 4391660, 6148324, 7685405, 15370810, 30741620]

約数ペア:

[(1, 30741620), (2, 15370810), (4, 7685405), (5, 6148324), (7, 4391660), (10, 3074162), (13, 2364740), (14, 2195830), (19, 1617980), (20, 1537081), (26, 1182370), (28, 1097915), (35, 878332), (38, 808990), (49, 627380), (52, 591185), (65, 472948), (70, 439166), (76, 404495), (91, 337820), (95, 323596), (98, 313690), (127, 242060), (130, 236474), (133, 231140), (140, 219583), (182, 168910), (190, 161798), (196, 156845), (245, 125476), (247, 124460), (254, 121030), (260, 118237), (266, 115570), (364, 84455), (380, 80899), (455, 67564), (490, 62738), (494, 62230), (508, 60515), (532, 57785), (635, 48412), (637, 48260), (665, 46228), (889, 34580), (910, 33782), (931, 33020), (980, 31369), (988, 31115), (1235, 24892), (1270, 24206), (1274, 24130), (1330, 23114), (1651, 18620), (1729, 17780), (1778, 17290), (1820, 16891), (1862, 16510), (2413, 12740), (2470, 12446), (2540, 12103), (2548, 12065), (2660, 11557), (3185, 9652), (3302, 9310), (3458, 8890), (3556, 8645), (3724, 8255), (4445, 6916), (4655, 6604), (4826, 6370), (4940, 6223)]