31470270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 128

約数和(自身を含む): 89026560

約数和(自身を除く): 57556290

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 19, 26, 30, 31, 38, 39, 57, 62, 65, 78, 93, 95, 114, 130, 137, 155, 186, 190, 195, 247, 274, 285, 310, 390, 403, 411, 465, 494, 570, 589, 685, 741, 806, 822, 930, 1178, 1209, 1235, 1370, 1482, 1767, 1781, 2015, 2055, 2418, 2470, 2603, 2945, 3534, 3562, 3705, 4030, 4110, 4247, 5206, 5343, 5890, 6045, 7410, 7657, 7809, 8494, 8835, 8905, 10686, 12090, 12741, 13015, 15314, 15618, 17670, 17810, 21235, 22971, 25482, 26030, 26715, 33839, 38285, 39045, 42470, 45942, 53430, 55211, 63705, 67678, 76570, 78090, 80693, 101517, 110422, 114855, 127410, 161386, 165633, 169195, 203034, 229710, 242079, 276055, 331266, 338390, 403465, 484158, 507585, 552110, 806930, 828165, 1015170, 1049009, 1210395, 1656330, 2098018, 2420790, 3147027, 5245045, 6294054, 10490090, 15735135, 31470270]

約数ペア:

[(1, 31470270), (2, 15735135), (3, 10490090), (5, 6294054), (6, 5245045), (10, 3147027), (13, 2420790), (15, 2098018), (19, 1656330), (26, 1210395), (30, 1049009), (31, 1015170), (38, 828165), (39, 806930), (57, 552110), (62, 507585), (65, 484158), (78, 403465), (93, 338390), (95, 331266), (114, 276055), (130, 242079), (137, 229710), (155, 203034), (186, 169195), (190, 165633), (195, 161386), (247, 127410), (274, 114855), (285, 110422), (310, 101517), (390, 80693), (403, 78090), (411, 76570), (465, 67678), (494, 63705), (570, 55211), (589, 53430), (685, 45942), (741, 42470), (806, 39045), (822, 38285), (930, 33839), (1178, 26715), (1209, 26030), (1235, 25482), (1370, 22971), (1482, 21235), (1767, 17810), (1781, 17670), (2015, 15618), (2055, 15314), (2418, 13015), (2470, 12741), (2603, 12090), (2945, 10686), (3534, 8905), (3562, 8835), (3705, 8494), (4030, 7809), (4110, 7657), (4247, 7410), (5206, 6045), (5343, 5890)]