89501580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{283}}^1$

素因数の和:556

約数の個数: 144

約数和(自身を含む): 312609024

約数和(自身を除く): 223107444

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 251, 252, 283, 315, 420, 502, 566, 630, 753, 849, 1004, 1132, 1255, 1260, 1415, 1506, 1698, 1757, 1981, 2259, 2510, 2547, 2830, 3012, 3396, 3514, 3765, 3962, 4245, 4518, 5020, 5094, 5271, 5660, 5943, 7028, 7530, 7924, 8490, 8785, 9036, 9905, 10188, 10542, 11295, 11886, 12735, 15060, 15813, 16980, 17570, 17829, 19810, 21084, 22590, 23772, 25470, 26355, 29715, 31626, 35140, 35658, 39620, 45180, 50940, 52710, 59430, 63252, 71033, 71316, 79065, 89145, 105420, 118860, 142066, 158130, 178290, 213099, 284132, 316260, 355165, 356580, 426198, 497231, 639297, 710330, 852396, 994462, 1065495, 1278594, 1420660, 1491693, 1988924, 2130990, 2486155, 2557188, 2983386, 3196485, 4261980, 4475079, 4972310, 5966772, 6392970, 7458465, 8950158, 9944620, 12785940, 14916930, 17900316, 22375395, 29833860, 44750790, 89501580]

約数ペア:

[(1, 89501580), (2, 44750790), (3, 29833860), (4, 22375395), (5, 17900316), (6, 14916930), (7, 12785940), (9, 9944620), (10, 8950158), (12, 7458465), (14, 6392970), (15, 5966772), (18, 4972310), (20, 4475079), (21, 4261980), (28, 3196485), (30, 2983386), (35, 2557188), (36, 2486155), (42, 2130990), (45, 1988924), (60, 1491693), (63, 1420660), (70, 1278594), (84, 1065495), (90, 994462), (105, 852396), (126, 710330), (140, 639297), (180, 497231), (210, 426198), (251, 356580), (252, 355165), (283, 316260), (315, 284132), (420, 213099), (502, 178290), (566, 158130), (630, 142066), (753, 118860), (849, 105420), (1004, 89145), (1132, 79065), (1255, 71316), (1260, 71033), (1415, 63252), (1506, 59430), (1698, 52710), (1757, 50940), (1981, 45180), (2259, 39620), (2510, 35658), (2547, 35140), (2830, 31626), (3012, 29715), (3396, 26355), (3514, 25470), (3765, 23772), (3962, 22590), (4245, 21084), (4518, 19810), (5020, 17829), (5094, 17570), (5271, 16980), (5660, 15813), (5943, 15060), (7028, 12735), (7530, 11886), (7924, 11295), (8490, 10542), (8785, 10188), (9036, 9905)]