78161850

素因数分解:

$2^1\times 3^2\times 5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1$

素因数の和:493

約数の個数: 144

約数和(自身を含む): 233985024

約数和(自身を除く): 155823174

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 30, 31, 39, 45, 50, 62, 65, 75, 78, 90, 93, 117, 130, 150, 155, 186, 195, 225, 234, 279, 310, 325, 390, 403, 431, 450, 465, 558, 585, 650, 775, 806, 862, 930, 975, 1170, 1209, 1293, 1395, 1550, 1950, 2015, 2155, 2325, 2418, 2586, 2790, 2925, 3627, 3879, 4030, 4310, 4650, 5603, 5850, 6045, 6465, 6975, 7254, 7758, 10075, 10775, 11206, 12090, 12930, 13361, 13950, 16809, 18135, 19395, 20150, 21550, 26722, 28015, 30225, 32325, 33618, 36270, 38790, 40083, 50427, 56030, 60450, 64650, 66805, 80166, 84045, 90675, 96975, 100854, 120249, 133610, 140075, 168090, 173693, 181350, 193950, 200415, 240498, 252135, 280150, 334025, 347386, 400830, 420225, 504270, 521079, 601245, 668050, 840450, 868465, 1002075, 1042158, 1202490, 1260675, 1563237, 1736930, 2004150, 2521350, 2605395, 3006225, 3126474, 4342325, 5210790, 6012450, 7816185, 8684650, 13026975, 15632370, 26053950, 39080925, 78161850]

約数ペア:

[(1, 78161850), (2, 39080925), (3, 26053950), (5, 15632370), (6, 13026975), (9, 8684650), (10, 7816185), (13, 6012450), (15, 5210790), (18, 4342325), (25, 3126474), (26, 3006225), (30, 2605395), (31, 2521350), (39, 2004150), (45, 1736930), (50, 1563237), (62, 1260675), (65, 1202490), (75, 1042158), (78, 1002075), (90, 868465), (93, 840450), (117, 668050), (130, 601245), (150, 521079), (155, 504270), (186, 420225), (195, 400830), (225, 347386), (234, 334025), (279, 280150), (310, 252135), (325, 240498), (390, 200415), (403, 193950), (431, 181350), (450, 173693), (465, 168090), (558, 140075), (585, 133610), (650, 120249), (775, 100854), (806, 96975), (862, 90675), (930, 84045), (975, 80166), (1170, 66805), (1209, 64650), (1293, 60450), (1395, 56030), (1550, 50427), (1950, 40083), (2015, 38790), (2155, 36270), (2325, 33618), (2418, 32325), (2586, 30225), (2790, 28015), (2925, 26722), (3627, 21550), (3879, 20150), (4030, 19395), (4310, 18135), (4650, 16809), (5603, 13950), (5850, 13361), (6045, 12930), (6465, 12090), (6975, 11206), (7254, 10775), (7758, 10075)]