205742970

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{47}}^1\times {\mathrm{523}}^1$

素因数の和:617

約数の個数: 128

約数和(自身を含む): 579502080

約数和(自身を除く): 373759110

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 31, 45, 47, 54, 62, 90, 93, 94, 135, 141, 155, 186, 235, 270, 279, 282, 310, 423, 465, 470, 523, 558, 705, 837, 846, 930, 1046, 1269, 1395, 1410, 1457, 1569, 1674, 2115, 2538, 2615, 2790, 2914, 3138, 4185, 4230, 4371, 4707, 5230, 6345, 7285, 7845, 8370, 8742, 9414, 12690, 13113, 14121, 14570, 15690, 16213, 21855, 23535, 24581, 26226, 28242, 32426, 39339, 43710, 47070, 48639, 49162, 65565, 70605, 73743, 78678, 81065, 97278, 122905, 131130, 141210, 145917, 147486, 162130, 196695, 221229, 243195, 245810, 291834, 368715, 393390, 437751, 442458, 486390, 663687, 729585, 737430, 762011, 875502, 1106145, 1327374, 1459170, 1524022, 2188755, 2212290, 2286033, 3318435, 3810055, 4377510, 4572066, 6636870, 6858099, 7620110, 11430165, 13716198, 20574297, 22860330, 34290495, 41148594, 68580990, 102871485, 205742970]

約数ペア:

[(1, 205742970), (2, 102871485), (3, 68580990), (5, 41148594), (6, 34290495), (9, 22860330), (10, 20574297), (15, 13716198), (18, 11430165), (27, 7620110), (30, 6858099), (31, 6636870), (45, 4572066), (47, 4377510), (54, 3810055), (62, 3318435), (90, 2286033), (93, 2212290), (94, 2188755), (135, 1524022), (141, 1459170), (155, 1327374), (186, 1106145), (235, 875502), (270, 762011), (279, 737430), (282, 729585), (310, 663687), (423, 486390), (465, 442458), (470, 437751), (523, 393390), (558, 368715), (705, 291834), (837, 245810), (846, 243195), (930, 221229), (1046, 196695), (1269, 162130), (1395, 147486), (1410, 145917), (1457, 141210), (1569, 131130), (1674, 122905), (2115, 97278), (2538, 81065), (2615, 78678), (2790, 73743), (2914, 70605), (3138, 65565), (4185, 49162), (4230, 48639), (4371, 47070), (4707, 43710), (5230, 39339), (6345, 32426), (7285, 28242), (7845, 26226), (8370, 24581), (8742, 23535), (9414, 21855), (12690, 16213), (13113, 15690), (14121, 14570)]