820828260

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{263}}^1\times {\mathrm{2477}}^1$

素因数の和:2762

約数の個数: 144

約数和(自身を含む): 2857510656

約数和(自身を除く): 2036682396

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 263, 315, 420, 526, 630, 789, 1052, 1260, 1315, 1578, 1841, 2367, 2477, 2630, 3156, 3682, 3945, 4734, 4954, 5260, 5523, 7364, 7431, 7890, 9205, 9468, 9908, 11046, 11835, 12385, 14862, 15780, 16569, 17339, 18410, 22092, 22293, 23670, 24770, 27615, 29724, 33138, 34678, 36820, 37155, 44586, 47340, 49540, 52017, 55230, 66276, 69356, 74310, 82845, 86695, 89172, 104034, 110460, 111465, 148620, 156051, 165690, 173390, 208068, 222930, 260085, 312102, 331380, 346780, 445860, 520170, 624204, 651451, 780255, 1040340, 1302902, 1560510, 1954353, 2605804, 3121020, 3257255, 3908706, 4560157, 5863059, 6514510, 7817412, 9120314, 9771765, 11726118, 13029020, 13680471, 18240628, 19543530, 22800785, 23452236, 27360942, 29315295, 39087060, 41041413, 45601570, 54721884, 58630590, 68402355, 82082826, 91203140, 117261180, 136804710, 164165652, 205207065, 273609420, 410414130, 820828260]

約数ペア:

[(1, 820828260), (2, 410414130), (3, 273609420), (4, 205207065), (5, 164165652), (6, 136804710), (7, 117261180), (9, 91203140), (10, 82082826), (12, 68402355), (14, 58630590), (15, 54721884), (18, 45601570), (20, 41041413), (21, 39087060), (28, 29315295), (30, 27360942), (35, 23452236), (36, 22800785), (42, 19543530), (45, 18240628), (60, 13680471), (63, 13029020), (70, 11726118), (84, 9771765), (90, 9120314), (105, 7817412), (126, 6514510), (140, 5863059), (180, 4560157), (210, 3908706), (252, 3257255), (263, 3121020), (315, 2605804), (420, 1954353), (526, 1560510), (630, 1302902), (789, 1040340), (1052, 780255), (1260, 651451), (1315, 624204), (1578, 520170), (1841, 445860), (2367, 346780), (2477, 331380), (2630, 312102), (3156, 260085), (3682, 222930), (3945, 208068), (4734, 173390), (4954, 165690), (5260, 156051), (5523, 148620), (7364, 111465), (7431, 110460), (7890, 104034), (9205, 89172), (9468, 86695), (9908, 82845), (11046, 74310), (11835, 69356), (12385, 66276), (14862, 55230), (15780, 52017), (16569, 49540), (17339, 47340), (18410, 44586), (22092, 37155), (22293, 36820), (23670, 34678), (24770, 33138), (27615, 29724)]