38978160

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{31}}^2$

素因数の和:104

約数の個数: 180

約数和(自身を含む): 135198936

約数和(自身を除く): 96220776

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 31, 39, 40, 48, 52, 60, 62, 65, 78, 80, 93, 104, 120, 124, 130, 155, 156, 169, 186, 195, 208, 240, 248, 260, 310, 312, 338, 372, 390, 403, 465, 496, 507, 520, 620, 624, 676, 744, 780, 806, 845, 930, 961, 1014, 1040, 1209, 1240, 1352, 1488, 1560, 1612, 1690, 1860, 1922, 2015, 2028, 2418, 2480, 2535, 2704, 2883, 3120, 3224, 3380, 3720, 3844, 4030, 4056, 4805, 4836, 5070, 5239, 5766, 6045, 6448, 6760, 7440, 7688, 8060, 8112, 9610, 9672, 10140, 10478, 11532, 12090, 12493, 13520, 14415, 15376, 15717, 16120, 19220, 19344, 20280, 20956, 23064, 24180, 24986, 26195, 28830, 31434, 32240, 37479, 38440, 40560, 41912, 46128, 48360, 49972, 52390, 57660, 62465, 62868, 74958, 76880, 78585, 83824, 96720, 99944, 104780, 115320, 124930, 125736, 149916, 157170, 162409, 187395, 199888, 209560, 230640, 249860, 251472, 299832, 314340, 324818, 374790, 419120, 487227, 499720, 599664, 628680, 649636, 749580, 812045, 974454, 999440, 1257360, 1299272, 1499160, 1624090, 1948908, 2436135, 2598544, 2998320, 3248180, 3897816, 4872270, 6496360, 7795632, 9744540, 12992720, 19489080, 38978160]

約数ペア:

[(1, 38978160), (2, 19489080), (3, 12992720), (4, 9744540), (5, 7795632), (6, 6496360), (8, 4872270), (10, 3897816), (12, 3248180), (13, 2998320), (15, 2598544), (16, 2436135), (20, 1948908), (24, 1624090), (26, 1499160), (30, 1299272), (31, 1257360), (39, 999440), (40, 974454), (48, 812045), (52, 749580), (60, 649636), (62, 628680), (65, 599664), (78, 499720), (80, 487227), (93, 419120), (104, 374790), (120, 324818), (124, 314340), (130, 299832), (155, 251472), (156, 249860), (169, 230640), (186, 209560), (195, 199888), (208, 187395), (240, 162409), (248, 157170), (260, 149916), (310, 125736), (312, 124930), (338, 115320), (372, 104780), (390, 99944), (403, 96720), (465, 83824), (496, 78585), (507, 76880), (520, 74958), (620, 62868), (624, 62465), (676, 57660), (744, 52390), (780, 49972), (806, 48360), (845, 46128), (930, 41912), (961, 40560), (1014, 38440), (1040, 37479), (1209, 32240), (1240, 31434), (1352, 28830), (1488, 26195), (1560, 24986), (1612, 24180), (1690, 23064), (1860, 20956), (1922, 20280), (2015, 19344), (2028, 19220), (2418, 16120), (2480, 15717), (2535, 15376), (2704, 14415), (2883, 13520), (3120, 12493), (3224, 12090), (3380, 11532), (3720, 10478), (3844, 10140), (4030, 9672), (4056, 9610), (4805, 8112), (4836, 8060), (5070, 7688), (5239, 7440), (5766, 6760), (6045, 6448)]