80634780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{19477}}^1$

素因数の和:19515

約数の個数: 72

約数和(自身を含む): 255239712

約数和(自身を除く): 174604932

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 23, 30, 36, 45, 46, 60, 69, 90, 92, 115, 138, 180, 207, 230, 276, 345, 414, 460, 690, 828, 1035, 1380, 2070, 4140, 19477, 38954, 58431, 77908, 97385, 116862, 175293, 194770, 233724, 292155, 350586, 389540, 447971, 584310, 701172, 876465, 895942, 1168620, 1343913, 1752930, 1791884, 2239855, 2687826, 3505860, 4031739, 4479710, 5375652, 6719565, 8063478, 8959420, 13439130, 16126956, 20158695, 26878260, 40317390, 80634780]

約数ペア:

[(1, 80634780), (2, 40317390), (3, 26878260), (4, 20158695), (5, 16126956), (6, 13439130), (9, 8959420), (10, 8063478), (12, 6719565), (15, 5375652), (18, 4479710), (20, 4031739), (23, 3505860), (30, 2687826), (36, 2239855), (45, 1791884), (46, 1752930), (60, 1343913), (69, 1168620), (90, 895942), (92, 876465), (115, 701172), (138, 584310), (180, 447971), (207, 389540), (230, 350586), (276, 292155), (345, 233724), (414, 194770), (460, 175293), (690, 116862), (828, 97385), (1035, 77908), (1380, 58431), (2070, 38954), (4140, 19477)]