455821520

素因数分解:

$2^4\times 5^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{31}}^2$

素因数の和:111

約数の個数: 270

約数和(自身を含む): 1400195538

約数和(自身を除く): 944374018

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 16, 20, 22, 28, 31, 35, 40, 44, 49, 55, 56, 62, 70, 77, 80, 88, 98, 110, 112, 121, 124, 140, 154, 155, 176, 196, 217, 220, 242, 245, 248, 280, 308, 310, 341, 385, 392, 434, 440, 484, 490, 496, 539, 560, 605, 616, 620, 682, 770, 784, 847, 868, 880, 961, 968, 980, 1078, 1085, 1210, 1232, 1240, 1364, 1519, 1540, 1694, 1705, 1736, 1922, 1936, 1960, 2156, 2170, 2387, 2420, 2480, 2695, 2728, 3038, 3080, 3388, 3410, 3472, 3751, 3844, 3920, 4235, 4312, 4340, 4774, 4805, 4840, 5390, 5456, 5929, 6076, 6160, 6727, 6776, 6820, 7502, 7595, 7688, 8470, 8624, 8680, 9548, 9610, 9680, 10571, 10780, 11858, 11935, 12152, 13454, 13552, 13640, 15004, 15190, 15376, 16709, 16940, 17360, 18755, 19096, 19220, 21142, 21560, 23716, 23870, 24304, 26257, 26908, 27280, 29645, 30008, 30380, 33418, 33635, 33880, 37510, 38192, 38440, 42284, 43120, 47089, 47432, 47740, 52514, 52855, 53816, 59290, 60016, 60760, 66836, 67270, 67760, 73997, 75020, 76880, 83545, 84568, 94178, 94864, 95480, 105028, 105710, 107632, 116281, 118580, 121520, 131285, 133672, 134540, 147994, 150040, 167090, 169136, 183799, 188356, 190960, 210056, 211420, 232562, 235445, 237160, 262570, 267344, 269080, 295988, 300080, 334180, 367598, 369985, 376712, 420112, 422840, 465124, 470890, 474320, 517979, 525140, 538160, 581405, 591976, 668360, 735196, 739970, 753424, 813967, 845680, 918995, 930248, 941780, 1035958, 1050280, 1162810, 1183952, 1336720, 1470392, 1479940, 1627934, 1837990, 1860496, 1883560, 2071916, 2100560, 2325620, 2589895, 2940784, 2959880, 3255868, 3675980, 3767120, 4069835, 4143832, 4651240, 5179790, 5697769, 5919760, 6511736, 7351960, 8139670, 8287664, 9302480, 10359580, 11395538, 13023472, 14703920, 16279340, 20719160, 22791076, 28488845, 32558680, 41438320, 45582152, 56977690, 65117360, 91164304, 113955380, 227910760, 455821520]

約数ペア:

[(1, 455821520), (2, 227910760), (4, 113955380), (5, 91164304), (7, 65117360), (8, 56977690), (10, 45582152), (11, 41438320), (14, 32558680), (16, 28488845), (20, 22791076), (22, 20719160), (28, 16279340), (31, 14703920), (35, 13023472), (40, 11395538), (44, 10359580), (49, 9302480), (55, 8287664), (56, 8139670), (62, 7351960), (70, 6511736), (77, 5919760), (80, 5697769), (88, 5179790), (98, 4651240), (110, 4143832), (112, 4069835), (121, 3767120), (124, 3675980), (140, 3255868), (154, 2959880), (155, 2940784), (176, 2589895), (196, 2325620), (217, 2100560), (220, 2071916), (242, 1883560), (245, 1860496), (248, 1837990), (280, 1627934), (308, 1479940), (310, 1470392), (341, 1336720), (385, 1183952), (392, 1162810), (434, 1050280), (440, 1035958), (484, 941780), (490, 930248), (496, 918995), (539, 845680), (560, 813967), (605, 753424), (616, 739970), (620, 735196), (682, 668360), (770, 591976), (784, 581405), (847, 538160), (868, 525140), (880, 517979), (961, 474320), (968, 470890), (980, 465124), (1078, 422840), (1085, 420112), (1210, 376712), (1232, 369985), (1240, 367598), (1364, 334180), (1519, 300080), (1540, 295988), (1694, 269080), (1705, 267344), (1736, 262570), (1922, 237160), (1936, 235445), (1960, 232562), (2156, 211420), (2170, 210056), (2387, 190960), (2420, 188356), (2480, 183799), (2695, 169136), (2728, 167090), (3038, 150040), (3080, 147994), (3388, 134540), (3410, 133672), (3472, 131285), (3751, 121520), (3844, 118580), (3920, 116281), (4235, 107632), (4312, 105710), (4340, 105028), (4774, 95480), (4805, 94864), (4840, 94178), (5390, 84568), (5456, 83545), (5929, 76880), (6076, 75020), (6160, 73997), (6727, 67760), (6776, 67270), (6820, 66836), (7502, 60760), (7595, 60016), (7688, 59290), (8470, 53816), (8624, 52855), (8680, 52514), (9548, 47740), (9610, 47432), (9680, 47089), (10571, 43120), (10780, 42284), (11858, 38440), (11935, 38192), (12152, 37510), (13454, 33880), (13552, 33635), (13640, 33418), (15004, 30380), (15190, 30008), (15376, 29645), (16709, 27280), (16940, 26908), (17360, 26257), (18755, 24304), (19096, 23870), (19220, 23716), (21142, 21560)]