815880520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{251}}^1$

素因数の和:348

約数の個数: 256

約数和(自身を含む): 2438553600

約数和(自身を除く): 1622673080

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 19, 20, 26, 28, 35, 38, 40, 47, 52, 56, 65, 70, 76, 91, 94, 95, 104, 130, 133, 140, 152, 182, 188, 190, 235, 247, 251, 260, 266, 280, 329, 364, 376, 380, 455, 470, 494, 502, 520, 532, 611, 658, 665, 728, 760, 893, 910, 940, 988, 1004, 1064, 1222, 1235, 1255, 1316, 1330, 1645, 1729, 1757, 1786, 1820, 1880, 1976, 2008, 2444, 2470, 2510, 2632, 2660, 3055, 3263, 3290, 3458, 3514, 3572, 3640, 4277, 4465, 4769, 4888, 4940, 5020, 5320, 6110, 6251, 6526, 6580, 6916, 7028, 7144, 8554, 8645, 8785, 8930, 9538, 9880, 10040, 11609, 11797, 12220, 12502, 13052, 13160, 13832, 14056, 16315, 17108, 17290, 17570, 17860, 19076, 21385, 22841, 23218, 23594, 23845, 24440, 25004, 26104, 31255, 32630, 33383, 34216, 34580, 35140, 35720, 38152, 42770, 45682, 46436, 47188, 47690, 50008, 58045, 58985, 61997, 62510, 65260, 66766, 69160, 70280, 81263, 82579, 85540, 91364, 92872, 94376, 95380, 114205, 116090, 117970, 123994, 125020, 130520, 133532, 153361, 162526, 165158, 166915, 171080, 182728, 190760, 224143, 228410, 232180, 235940, 247988, 250040, 267064, 306722, 309985, 325052, 330316, 333830, 406315, 412895, 433979, 448286, 456820, 464360, 471880, 495976, 613444, 619970, 650104, 660632, 667660, 766805, 812630, 825790, 867958, 896572, 913640, 1073527, 1120715, 1226888, 1239940, 1335320, 1533610, 1569001, 1625260, 1651580, 1735916, 1793144, 2147054, 2169895, 2241430, 2479880, 2913859, 3067220, 3138002, 3250520, 3303160, 3471832, 4294108, 4339790, 4482860, 5367635, 5827718, 6134440, 6276004, 7845005, 8588216, 8679580, 8965720, 10735270, 11655436, 12552008, 14569295, 15690010, 17359160, 20397013, 21470540, 23310872, 29138590, 31380020, 40794026, 42941080, 58277180, 62760040, 81588052, 101985065, 116554360, 163176104, 203970130, 407940260, 815880520]

約数ペア:

[(1, 815880520), (2, 407940260), (4, 203970130), (5, 163176104), (7, 116554360), (8, 101985065), (10, 81588052), (13, 62760040), (14, 58277180), (19, 42941080), (20, 40794026), (26, 31380020), (28, 29138590), (35, 23310872), (38, 21470540), (40, 20397013), (47, 17359160), (52, 15690010), (56, 14569295), (65, 12552008), (70, 11655436), (76, 10735270), (91, 8965720), (94, 8679580), (95, 8588216), (104, 7845005), (130, 6276004), (133, 6134440), (140, 5827718), (152, 5367635), (182, 4482860), (188, 4339790), (190, 4294108), (235, 3471832), (247, 3303160), (251, 3250520), (260, 3138002), (266, 3067220), (280, 2913859), (329, 2479880), (364, 2241430), (376, 2169895), (380, 2147054), (455, 1793144), (470, 1735916), (494, 1651580), (502, 1625260), (520, 1569001), (532, 1533610), (611, 1335320), (658, 1239940), (665, 1226888), (728, 1120715), (760, 1073527), (893, 913640), (910, 896572), (940, 867958), (988, 825790), (1004, 812630), (1064, 766805), (1222, 667660), (1235, 660632), (1255, 650104), (1316, 619970), (1330, 613444), (1645, 495976), (1729, 471880), (1757, 464360), (1786, 456820), (1820, 448286), (1880, 433979), (1976, 412895), (2008, 406315), (2444, 333830), (2470, 330316), (2510, 325052), (2632, 309985), (2660, 306722), (3055, 267064), (3263, 250040), (3290, 247988), (3458, 235940), (3514, 232180), (3572, 228410), (3640, 224143), (4277, 190760), (4465, 182728), (4769, 171080), (4888, 166915), (4940, 165158), (5020, 162526), (5320, 153361), (6110, 133532), (6251, 130520), (6526, 125020), (6580, 123994), (6916, 117970), (7028, 116090), (7144, 114205), (8554, 95380), (8645, 94376), (8785, 92872), (8930, 91364), (9538, 85540), (9880, 82579), (10040, 81263), (11609, 70280), (11797, 69160), (12220, 66766), (12502, 65260), (13052, 62510), (13160, 61997), (13832, 58985), (14056, 58045), (16315, 50008), (17108, 47690), (17290, 47188), (17570, 46436), (17860, 45682), (19076, 42770), (21385, 38152), (22841, 35720), (23218, 35140), (23594, 34580), (23845, 34216), (24440, 33383), (25004, 32630), (26104, 31255)]