638171730

素因数分解:

$2^1\times 3^3\times 5^1\times 7^1\times {\mathrm{59}}^2\times {\mathrm{97}}^1$

素因数の和:238

約数の個数: 192

約数和(自身を含む): 1998823680

約数和(自身を除く): 1360651950

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 14, 15, 18, 21, 27, 30, 35, 42, 45, 54, 59, 63, 70, 90, 97, 105, 118, 126, 135, 177, 189, 194, 210, 270, 291, 295, 315, 354, 378, 413, 485, 531, 582, 590, 630, 679, 826, 873, 885, 945, 970, 1062, 1239, 1358, 1455, 1593, 1746, 1770, 1890, 2037, 2065, 2478, 2619, 2655, 2910, 3186, 3395, 3481, 3717, 4074, 4130, 4365, 5238, 5310, 5723, 6111, 6195, 6790, 6962, 7434, 7965, 8730, 10185, 10443, 11151, 11446, 12222, 12390, 13095, 15930, 17169, 17405, 18333, 18585, 20370, 20886, 22302, 24367, 26190, 28615, 30555, 31329, 34338, 34810, 36666, 37170, 40061, 48734, 51507, 52215, 55755, 57230, 61110, 62658, 73101, 80122, 85845, 91665, 93987, 103014, 104430, 111510, 120183, 121835, 146202, 154521, 156645, 171690, 183330, 187974, 200305, 219303, 240366, 243670, 257535, 309042, 313290, 337657, 360549, 365505, 400610, 438606, 469935, 515070, 600915, 657909, 675314, 721098, 731010, 772605, 939870, 1012971, 1081647, 1096515, 1201830, 1315818, 1545210, 1688285, 1802745, 2025942, 2163294, 2193030, 2363599, 3038913, 3289545, 3376570, 3605490, 4727198, 5064855, 5408235, 6077826, 6579090, 7090797, 9116739, 10129710, 10816470, 11817995, 14181594, 15194565, 18233478, 21272391, 23635990, 30389130, 35453985, 42544782, 45583695, 63817173, 70907970, 91167390, 106361955, 127634346, 212723910, 319085865, 638171730]

約数ペア:

[(1, 638171730), (2, 319085865), (3, 212723910), (5, 127634346), (6, 106361955), (7, 91167390), (9, 70907970), (10, 63817173), (14, 45583695), (15, 42544782), (18, 35453985), (21, 30389130), (27, 23635990), (30, 21272391), (35, 18233478), (42, 15194565), (45, 14181594), (54, 11817995), (59, 10816470), (63, 10129710), (70, 9116739), (90, 7090797), (97, 6579090), (105, 6077826), (118, 5408235), (126, 5064855), (135, 4727198), (177, 3605490), (189, 3376570), (194, 3289545), (210, 3038913), (270, 2363599), (291, 2193030), (295, 2163294), (315, 2025942), (354, 1802745), (378, 1688285), (413, 1545210), (485, 1315818), (531, 1201830), (582, 1096515), (590, 1081647), (630, 1012971), (679, 939870), (826, 772605), (873, 731010), (885, 721098), (945, 675314), (970, 657909), (1062, 600915), (1239, 515070), (1358, 469935), (1455, 438606), (1593, 400610), (1746, 365505), (1770, 360549), (1890, 337657), (2037, 313290), (2065, 309042), (2478, 257535), (2619, 243670), (2655, 240366), (2910, 219303), (3186, 200305), (3395, 187974), (3481, 183330), (3717, 171690), (4074, 156645), (4130, 154521), (4365, 146202), (5238, 121835), (5310, 120183), (5723, 111510), (6111, 104430), (6195, 103014), (6790, 93987), (6962, 91665), (7434, 85845), (7965, 80122), (8730, 73101), (10185, 62658), (10443, 61110), (11151, 57230), (11446, 55755), (12222, 52215), (12390, 51507), (13095, 48734), (15930, 40061), (17169, 37170), (17405, 36666), (18333, 34810), (18585, 34338), (20370, 31329), (20886, 30555), (22302, 28615), (24367, 26190)]