161384580

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{367}}^1$

素因数の和:738

約数の個数: 144

約数和(自身を含む): 562598400

約数和(自身を除く): 401213820

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, 252, 315, 349, 367, 420, 630, 698, 734, 1047, 1101, 1260, 1396, 1468, 1745, 1835, 2094, 2202, 2443, 2569, 3141, 3303, 3490, 3670, 4188, 4404, 4886, 5138, 5235, 5505, 6282, 6606, 6980, 7329, 7340, 7707, 9772, 10276, 10470, 11010, 12215, 12564, 12845, 13212, 14658, 15414, 15705, 16515, 20940, 21987, 22020, 23121, 24430, 25690, 29316, 30828, 31410, 33030, 36645, 38535, 43974, 46242, 48860, 51380, 62820, 66060, 73290, 77070, 87948, 92484, 109935, 115605, 128083, 146580, 154140, 219870, 231210, 256166, 384249, 439740, 462420, 512332, 640415, 768498, 896581, 1152747, 1280830, 1536996, 1793162, 1921245, 2305494, 2561660, 2689743, 3586324, 3842490, 4482905, 4610988, 5379486, 5763735, 7684980, 8069229, 8965810, 10758972, 11527470, 13448715, 16138458, 17931620, 23054940, 26897430, 32276916, 40346145, 53794860, 80692290, 161384580]

約数ペア:

[(1, 161384580), (2, 80692290), (3, 53794860), (4, 40346145), (5, 32276916), (6, 26897430), (7, 23054940), (9, 17931620), (10, 16138458), (12, 13448715), (14, 11527470), (15, 10758972), (18, 8965810), (20, 8069229), (21, 7684980), (28, 5763735), (30, 5379486), (35, 4610988), (36, 4482905), (42, 3842490), (45, 3586324), (60, 2689743), (63, 2561660), (70, 2305494), (84, 1921245), (90, 1793162), (105, 1536996), (126, 1280830), (140, 1152747), (180, 896581), (210, 768498), (252, 640415), (315, 512332), (349, 462420), (367, 439740), (420, 384249), (630, 256166), (698, 231210), (734, 219870), (1047, 154140), (1101, 146580), (1260, 128083), (1396, 115605), (1468, 109935), (1745, 92484), (1835, 87948), (2094, 77070), (2202, 73290), (2443, 66060), (2569, 62820), (3141, 51380), (3303, 48860), (3490, 46242), (3670, 43974), (4188, 38535), (4404, 36645), (4886, 33030), (5138, 31410), (5235, 30828), (5505, 29316), (6282, 25690), (6606, 24430), (6980, 23121), (7329, 22020), (7340, 21987), (7707, 20940), (9772, 16515), (10276, 15705), (10470, 15414), (11010, 14658), (12215, 13212), (12564, 12845)]