28776930

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{127}}^1$

素因数の和:240

約数の個数: 128

約数和(自身を含む): 86704128

約数和(自身を除く): 57927198

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 21, 26, 30, 35, 39, 42, 65, 70, 78, 83, 91, 105, 127, 130, 166, 182, 195, 210, 249, 254, 273, 381, 390, 415, 455, 498, 546, 581, 635, 762, 830, 889, 910, 1079, 1162, 1245, 1270, 1365, 1651, 1743, 1778, 1905, 2158, 2490, 2667, 2730, 2905, 3237, 3302, 3486, 3810, 4445, 4953, 5334, 5395, 5810, 6474, 7553, 8255, 8715, 8890, 9906, 10541, 10790, 11557, 13335, 15106, 16185, 16510, 17430, 21082, 22659, 23114, 24765, 26670, 31623, 32370, 34671, 37765, 45318, 49530, 52705, 57785, 63246, 69342, 73787, 75530, 105410, 113295, 115570, 137033, 147574, 158115, 173355, 221361, 226590, 274066, 316230, 346710, 368935, 411099, 442722, 685165, 737870, 822198, 959231, 1106805, 1370330, 1918462, 2055495, 2213610, 2877693, 4110990, 4796155, 5755386, 9592310, 14388465, 28776930]

約数ペア:

[(1, 28776930), (2, 14388465), (3, 9592310), (5, 5755386), (6, 4796155), (7, 4110990), (10, 2877693), (13, 2213610), (14, 2055495), (15, 1918462), (21, 1370330), (26, 1106805), (30, 959231), (35, 822198), (39, 737870), (42, 685165), (65, 442722), (70, 411099), (78, 368935), (83, 346710), (91, 316230), (105, 274066), (127, 226590), (130, 221361), (166, 173355), (182, 158115), (195, 147574), (210, 137033), (249, 115570), (254, 113295), (273, 105410), (381, 75530), (390, 73787), (415, 69342), (455, 63246), (498, 57785), (546, 52705), (581, 49530), (635, 45318), (762, 37765), (830, 34671), (889, 32370), (910, 31623), (1079, 26670), (1162, 24765), (1245, 23114), (1270, 22659), (1365, 21082), (1651, 17430), (1743, 16510), (1778, 16185), (1905, 15106), (2158, 13335), (2490, 11557), (2667, 10790), (2730, 10541), (2905, 9906), (3237, 8890), (3302, 8715), (3486, 8255), (3810, 7553), (4445, 6474), (4953, 5810), (5334, 5395)]