123023810

素因数分解:

$2^1\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1$

素因数の和:161

約数の個数: 128

約数和(自身を含む): 290304000

約数和(自身を除く): 167280190

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 49, 62, 65, 70, 89, 91, 98, 130, 155, 178, 182, 217, 245, 310, 343, 403, 434, 445, 455, 490, 623, 637, 686, 806, 890, 910, 1085, 1157, 1246, 1274, 1519, 1715, 2015, 2170, 2314, 2759, 2821, 3038, 3115, 3185, 3430, 4030, 4361, 4459, 5518, 5642, 5785, 6230, 6370, 7595, 8099, 8722, 8918, 10633, 11570, 13795, 14105, 15190, 16198, 19313, 19747, 21266, 21805, 22295, 27590, 28210, 30527, 35867, 38626, 39494, 40495, 43610, 44590, 53165, 56693, 61054, 71734, 80990, 96565, 98735, 106330, 113386, 135191, 138229, 152635, 179335, 193130, 197470, 251069, 270382, 276458, 283465, 305270, 358670, 396851, 502138, 566930, 675955, 691145, 793702, 946337, 1255345, 1351910, 1382290, 1757483, 1892674, 1984255, 2510690, 3514966, 3968510, 4731685, 8787415, 9463370, 12302381, 17574830, 24604762, 61511905, 123023810]

約数ペア:

[(1, 123023810), (2, 61511905), (5, 24604762), (7, 17574830), (10, 12302381), (13, 9463370), (14, 8787415), (26, 4731685), (31, 3968510), (35, 3514966), (49, 2510690), (62, 1984255), (65, 1892674), (70, 1757483), (89, 1382290), (91, 1351910), (98, 1255345), (130, 946337), (155, 793702), (178, 691145), (182, 675955), (217, 566930), (245, 502138), (310, 396851), (343, 358670), (403, 305270), (434, 283465), (445, 276458), (455, 270382), (490, 251069), (623, 197470), (637, 193130), (686, 179335), (806, 152635), (890, 138229), (910, 135191), (1085, 113386), (1157, 106330), (1246, 98735), (1274, 96565), (1519, 80990), (1715, 71734), (2015, 61054), (2170, 56693), (2314, 53165), (2759, 44590), (2821, 43610), (3038, 40495), (3115, 39494), (3185, 38626), (3430, 35867), (4030, 30527), (4361, 28210), (4459, 27590), (5518, 22295), (5642, 21805), (5785, 21266), (6230, 19747), (6370, 19313), (7595, 16198), (8099, 15190), (8722, 14105), (8918, 13795), (10633, 11570)]