19440165720

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{4211}}^1$

素因数の和:4346

約数の個数: 256

約数和(自身を含む): 64631623680

約数和(自身を除く): 45191457960

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 17, 20, 24, 30, 31, 34, 40, 51, 60, 62, 68, 73, 85, 93, 102, 120, 124, 136, 146, 155, 170, 186, 204, 219, 248, 255, 292, 310, 340, 365, 372, 408, 438, 465, 510, 527, 584, 620, 680, 730, 744, 876, 930, 1020, 1054, 1095, 1240, 1241, 1460, 1581, 1752, 1860, 2040, 2108, 2190, 2263, 2482, 2635, 2920, 3162, 3720, 3723, 4211, 4216, 4380, 4526, 4964, 5270, 6205, 6324, 6789, 7446, 7905, 8422, 8760, 9052, 9928, 10540, 11315, 12410, 12633, 12648, 13578, 14892, 15810, 16844, 18104, 18615, 21055, 21080, 22630, 24820, 25266, 27156, 29784, 31620, 33688, 33945, 37230, 38471, 42110, 45260, 49640, 50532, 54312, 63165, 63240, 67890, 71587, 74460, 76942, 84220, 90520, 101064, 115413, 126330, 130541, 135780, 143174, 148920, 153884, 168440, 192355, 214761, 230826, 252660, 261082, 271560, 286348, 307403, 307768, 357935, 384710, 391623, 429522, 461652, 505320, 522164, 572696, 577065, 614806, 652705, 715870, 769420, 783246, 859044, 922209, 923304, 1044328, 1073805, 1154130, 1229612, 1305410, 1431740, 1537015, 1538840, 1566492, 1718088, 1844418, 1958115, 2147610, 2219197, 2308260, 2459224, 2610820, 2863480, 3074030, 3132984, 3688836, 3916230, 4295220, 4438394, 4611045, 4616520, 5221640, 5225851, 6148060, 6657591, 7377672, 7832460, 8590440, 8876788, 9222090, 9529493, 10451702, 11095985, 12296120, 13315182, 15664920, 15677553, 17753576, 18444180, 19058986, 20903404, 22191970, 26129255, 26630364, 28588479, 31355106, 33287955, 36888360, 38117972, 41806808, 44383940, 47647465, 52258510, 53260728, 57176958, 62710212, 66575910, 76235944, 78387765, 88767880, 95294930, 104517020, 114353916, 125420424, 133151820, 142942395, 156775530, 162001381, 190589860, 209034040, 228707832, 266303640, 285884790, 313551060, 324002762, 381179720, 486004143, 571769580, 627102120, 648005524, 810006905, 972008286, 1143539160, 1296011048, 1620013810, 1944016572, 2430020715, 3240027620, 3888033144, 4860041430, 6480055240, 9720082860, 19440165720]

約数ペア:

[(1, 19440165720), (2, 9720082860), (3, 6480055240), (4, 4860041430), (5, 3888033144), (6, 3240027620), (8, 2430020715), (10, 1944016572), (12, 1620013810), (15, 1296011048), (17, 1143539160), (20, 972008286), (24, 810006905), (30, 648005524), (31, 627102120), (34, 571769580), (40, 486004143), (51, 381179720), (60, 324002762), (62, 313551060), (68, 285884790), (73, 266303640), (85, 228707832), (93, 209034040), (102, 190589860), (120, 162001381), (124, 156775530), (136, 142942395), (146, 133151820), (155, 125420424), (170, 114353916), (186, 104517020), (204, 95294930), (219, 88767880), (248, 78387765), (255, 76235944), (292, 66575910), (310, 62710212), (340, 57176958), (365, 53260728), (372, 52258510), (408, 47647465), (438, 44383940), (465, 41806808), (510, 38117972), (527, 36888360), (584, 33287955), (620, 31355106), (680, 28588479), (730, 26630364), (744, 26129255), (876, 22191970), (930, 20903404), (1020, 19058986), (1054, 18444180), (1095, 17753576), (1240, 15677553), (1241, 15664920), (1460, 13315182), (1581, 12296120), (1752, 11095985), (1860, 10451702), (2040, 9529493), (2108, 9222090), (2190, 8876788), (2263, 8590440), (2482, 7832460), (2635, 7377672), (2920, 6657591), (3162, 6148060), (3720, 5225851), (3723, 5221640), (4211, 4616520), (4216, 4611045), (4380, 4438394), (4526, 4295220), (4964, 3916230), (5270, 3688836), (6205, 3132984), (6324, 3074030), (6789, 2863480), (7446, 2610820), (7905, 2459224), (8422, 2308260), (8760, 2219197), (9052, 2147610), (9928, 1958115), (10540, 1844418), (11315, 1718088), (12410, 1566492), (12633, 1538840), (12648, 1537015), (13578, 1431740), (14892, 1305410), (15810, 1229612), (16844, 1154130), (18104, 1073805), (18615, 1044328), (21055, 923304), (21080, 922209), (22630, 859044), (24820, 783246), (25266, 769420), (27156, 715870), (29784, 652705), (31620, 614806), (33688, 577065), (33945, 572696), (37230, 522164), (38471, 505320), (42110, 461652), (45260, 429522), (49640, 391623), (50532, 384710), (54312, 357935), (63165, 307768), (63240, 307403), (67890, 286348), (71587, 271560), (74460, 261082), (76942, 252660), (84220, 230826), (90520, 214761), (101064, 192355), (115413, 168440), (126330, 153884), (130541, 148920), (135780, 143174)]