1972096620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{81559}}^1$

素因数の和:81615

約数の個数: 96

約数和(自身を含む): 6138531840

約数和(自身を除く): 4166435220

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 31, 39, 52, 60, 62, 65, 78, 93, 124, 130, 155, 156, 186, 195, 260, 310, 372, 390, 403, 465, 620, 780, 806, 930, 1209, 1612, 1860, 2015, 2418, 4030, 4836, 6045, 8060, 12090, 24180, 81559, 163118, 244677, 326236, 407795, 489354, 815590, 978708, 1060267, 1223385, 1631180, 2120534, 2446770, 2528329, 3180801, 4241068, 4893540, 5056658, 5301335, 6361602, 7584987, 10113316, 10602670, 12641645, 12723204, 15169974, 15904005, 21205340, 25283290, 30339948, 31808010, 32868277, 37924935, 50566580, 63616020, 65736554, 75849870, 98604831, 131473108, 151699740, 164341385, 197209662, 328682770, 394419324, 493024155, 657365540, 986048310, 1972096620]

約数ペア:

[(1, 1972096620), (2, 986048310), (3, 657365540), (4, 493024155), (5, 394419324), (6, 328682770), (10, 197209662), (12, 164341385), (13, 151699740), (15, 131473108), (20, 98604831), (26, 75849870), (30, 65736554), (31, 63616020), (39, 50566580), (52, 37924935), (60, 32868277), (62, 31808010), (65, 30339948), (78, 25283290), (93, 21205340), (124, 15904005), (130, 15169974), (155, 12723204), (156, 12641645), (186, 10602670), (195, 10113316), (260, 7584987), (310, 6361602), (372, 5301335), (390, 5056658), (403, 4893540), (465, 4241068), (620, 3180801), (780, 2528329), (806, 2446770), (930, 2120534), (1209, 1631180), (1612, 1223385), (1860, 1060267), (2015, 978708), (2418, 815590), (4030, 489354), (4836, 407795), (6045, 326236), (8060, 244677), (12090, 163118), (24180, 81559)]