181030005

素因数分解:

$3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{89}}^1$

素因数の和:196

約数の個数: 128

約数和(自身を含む): 374976000

約数和(自身を除く): 193945995

約数列:

[1, 3, 5, 9, 13, 15, 19, 27, 39, 45, 57, 61, 65, 89, 95, 117, 135, 171, 183, 195, 247, 267, 285, 305, 351, 445, 513, 549, 585, 741, 793, 801, 855, 915, 1157, 1159, 1235, 1335, 1647, 1691, 1755, 2223, 2379, 2403, 2565, 2745, 3471, 3477, 3705, 3965, 4005, 5073, 5429, 5785, 5795, 6669, 7137, 8235, 8455, 10413, 10431, 11115, 11895, 12015, 15067, 15219, 16287, 17355, 17385, 21411, 21983, 25365, 27145, 31239, 31293, 33345, 35685, 45201, 45657, 48861, 52065, 52155, 65949, 70577, 75335, 76095, 81435, 103151, 107055, 109915, 135603, 146583, 156195, 156465, 197847, 211731, 226005, 228285, 244305, 309453, 329745, 352885, 406809, 515755, 593541, 635193, 678015, 732915, 928359, 989235, 1058655, 1340963, 1547265, 1905579, 2034045, 2785077, 2967705, 3175965, 4022889, 4641795, 6704815, 9527895, 12068667, 13925385, 20114445, 36206001, 60343335, 181030005]

約数ペア:

[(1, 181030005), (3, 60343335), (5, 36206001), (9, 20114445), (13, 13925385), (15, 12068667), (19, 9527895), (27, 6704815), (39, 4641795), (45, 4022889), (57, 3175965), (61, 2967705), (65, 2785077), (89, 2034045), (95, 1905579), (117, 1547265), (135, 1340963), (171, 1058655), (183, 989235), (195, 928359), (247, 732915), (267, 678015), (285, 635193), (305, 593541), (351, 515755), (445, 406809), (513, 352885), (549, 329745), (585, 309453), (741, 244305), (793, 228285), (801, 226005), (855, 211731), (915, 197847), (1157, 156465), (1159, 156195), (1235, 146583), (1335, 135603), (1647, 109915), (1691, 107055), (1755, 103151), (2223, 81435), (2379, 76095), (2403, 75335), (2565, 70577), (2745, 65949), (3471, 52155), (3477, 52065), (3705, 48861), (3965, 45657), (4005, 45201), (5073, 35685), (5429, 33345), (5785, 31293), (5795, 31239), (6669, 27145), (7137, 25365), (8235, 21983), (8455, 21411), (10413, 17385), (10431, 17355), (11115, 16287), (11895, 15219), (12015, 15067)]