78123150

素因数分解:

$2^1\times 3^3\times 5^2\times 7^2\times {\mathrm{1181}}^1$

素因数の和:1216

約数の個数: 144

約数和(自身を含む): 250631280

約数和(自身を除く): 172508130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 25, 27, 30, 35, 42, 45, 49, 50, 54, 63, 70, 75, 90, 98, 105, 126, 135, 147, 150, 175, 189, 210, 225, 245, 270, 294, 315, 350, 378, 441, 450, 490, 525, 630, 675, 735, 882, 945, 1050, 1181, 1225, 1323, 1350, 1470, 1575, 1890, 2205, 2362, 2450, 2646, 3150, 3543, 3675, 4410, 4725, 5905, 6615, 7086, 7350, 8267, 9450, 10629, 11025, 11810, 13230, 16534, 17715, 21258, 22050, 24801, 29525, 31887, 33075, 35430, 41335, 49602, 53145, 57869, 59050, 63774, 66150, 74403, 82670, 88575, 106290, 115738, 124005, 148806, 159435, 173607, 177150, 206675, 223209, 248010, 265725, 289345, 318870, 347214, 372015, 413350, 446418, 520821, 531450, 578690, 620025, 744030, 797175, 868035, 1041642, 1116045, 1240050, 1446725, 1562463, 1594350, 1736070, 1860075, 2232090, 2604105, 2893450, 3124926, 3720150, 4340175, 5208210, 5580225, 7812315, 8680350, 11160450, 13020525, 15624630, 26041050, 39061575, 78123150]

約数ペア:

[(1, 78123150), (2, 39061575), (3, 26041050), (5, 15624630), (6, 13020525), (7, 11160450), (9, 8680350), (10, 7812315), (14, 5580225), (15, 5208210), (18, 4340175), (21, 3720150), (25, 3124926), (27, 2893450), (30, 2604105), (35, 2232090), (42, 1860075), (45, 1736070), (49, 1594350), (50, 1562463), (54, 1446725), (63, 1240050), (70, 1116045), (75, 1041642), (90, 868035), (98, 797175), (105, 744030), (126, 620025), (135, 578690), (147, 531450), (150, 520821), (175, 446418), (189, 413350), (210, 372015), (225, 347214), (245, 318870), (270, 289345), (294, 265725), (315, 248010), (350, 223209), (378, 206675), (441, 177150), (450, 173607), (490, 159435), (525, 148806), (630, 124005), (675, 115738), (735, 106290), (882, 88575), (945, 82670), (1050, 74403), (1181, 66150), (1225, 63774), (1323, 59050), (1350, 57869), (1470, 53145), (1575, 49602), (1890, 41335), (2205, 35430), (2362, 33075), (2450, 31887), (2646, 29525), (3150, 24801), (3543, 22050), (3675, 21258), (4410, 17715), (4725, 16534), (5905, 13230), (6615, 11810), (7086, 11025), (7350, 10629), (8267, 9450)]