815760

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1$

素因数の和:133

約数の個数: 120

約数和(自身を含む): 3017664

約数和(自身を除く): 2201904

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 103, 110, 120, 132, 144, 165, 176, 180, 198, 206, 220, 240, 264, 309, 330, 360, 396, 412, 440, 495, 515, 528, 618, 660, 720, 792, 824, 880, 927, 990, 1030, 1133, 1236, 1320, 1545, 1584, 1648, 1854, 1980, 2060, 2266, 2472, 2640, 3090, 3399, 3708, 3960, 4120, 4532, 4635, 4944, 5665, 6180, 6798, 7416, 7920, 8240, 9064, 9270, 10197, 11330, 12360, 13596, 14832, 16995, 18128, 18540, 20394, 22660, 24720, 27192, 33990, 37080, 40788, 45320, 50985, 54384, 67980, 74160, 81576, 90640, 101970, 135960, 163152, 203940, 271920, 407880, 815760]

約数ペア:

[(1, 815760), (2, 407880), (3, 271920), (4, 203940), (5, 163152), (6, 135960), (8, 101970), (9, 90640), (10, 81576), (11, 74160), (12, 67980), (15, 54384), (16, 50985), (18, 45320), (20, 40788), (22, 37080), (24, 33990), (30, 27192), (33, 24720), (36, 22660), (40, 20394), (44, 18540), (45, 18128), (48, 16995), (55, 14832), (60, 13596), (66, 12360), (72, 11330), (80, 10197), (88, 9270), (90, 9064), (99, 8240), (103, 7920), (110, 7416), (120, 6798), (132, 6180), (144, 5665), (165, 4944), (176, 4635), (180, 4532), (198, 4120), (206, 3960), (220, 3708), (240, 3399), (264, 3090), (309, 2640), (330, 2472), (360, 2266), (396, 2060), (412, 1980), (440, 1854), (495, 1648), (515, 1584), (528, 1545), (618, 1320), (660, 1236), (720, 1133), (792, 1030), (824, 990), (880, 927)]