30211720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{577}}^1$

素因数の和:623

約数の個数: 128

約数和(自身を含む): 89890560

約数和(自身を除く): 59678840

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 17, 20, 22, 28, 34, 35, 40, 44, 55, 56, 68, 70, 77, 85, 88, 110, 119, 136, 140, 154, 170, 187, 220, 238, 280, 308, 340, 374, 385, 440, 476, 577, 595, 616, 680, 748, 770, 935, 952, 1154, 1190, 1309, 1496, 1540, 1870, 2308, 2380, 2618, 2885, 3080, 3740, 4039, 4616, 4760, 5236, 5770, 6347, 6545, 7480, 8078, 9809, 10472, 11540, 12694, 13090, 16156, 19618, 20195, 23080, 25388, 26180, 31735, 32312, 39236, 40390, 44429, 49045, 50776, 52360, 63470, 68663, 78472, 80780, 88858, 98090, 107899, 126940, 137326, 161560, 177716, 196180, 215798, 222145, 253880, 274652, 343315, 355432, 392360, 431596, 444290, 539495, 549304, 686630, 755293, 863192, 888580, 1078990, 1373260, 1510586, 1777160, 2157980, 2746520, 3021172, 3776465, 4315960, 6042344, 7552930, 15105860, 30211720]

約数ペア:

[(1, 30211720), (2, 15105860), (4, 7552930), (5, 6042344), (7, 4315960), (8, 3776465), (10, 3021172), (11, 2746520), (14, 2157980), (17, 1777160), (20, 1510586), (22, 1373260), (28, 1078990), (34, 888580), (35, 863192), (40, 755293), (44, 686630), (55, 549304), (56, 539495), (68, 444290), (70, 431596), (77, 392360), (85, 355432), (88, 343315), (110, 274652), (119, 253880), (136, 222145), (140, 215798), (154, 196180), (170, 177716), (187, 161560), (220, 137326), (238, 126940), (280, 107899), (308, 98090), (340, 88858), (374, 80780), (385, 78472), (440, 68663), (476, 63470), (577, 52360), (595, 50776), (616, 49045), (680, 44429), (748, 40390), (770, 39236), (935, 32312), (952, 31735), (1154, 26180), (1190, 25388), (1309, 23080), (1496, 20195), (1540, 19618), (1870, 16156), (2308, 13090), (2380, 12694), (2618, 11540), (2885, 10472), (3080, 9809), (3740, 8078), (4039, 7480), (4616, 6545), (4760, 6347), (5236, 5770)]